1 2006-06-11 Roger Sayle <roger@eyesopen.com>
4 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
5 extract a CONST_VECTOR element and interpret it as an integer.
6 (vspltis_constant): Use const_vector_elt_as_int instead of the
7 macro CONST_VECTOR_ELT in order to handle FP vector modes.
8 * config/rs6000/predicates.md (easy_vector_const): Consider
9 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
11 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
14 * stor-layout.c (update_alignment_for_field): Don't add extra
15 alignment for packed non-bitfield fields in ms_bitfield_layout_p
18 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
20 * config/mips/t-rtems: Add EL/EB multilib variants.
22 2006-06-09 Mike Stump <mrs@apple.com>
24 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
26 2006-06-09 David Daney <ddaney@avtrex.com>
28 * doc/install.texi: Add binutils version recommendation for mips-*-*.
30 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
32 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
34 2006-06-09 Richard Guenther <rguenther@suse.de>
36 PR tree-optimization/26998
37 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
38 of signed types, only TYPE_MIN_VALUE is special, but for both,
39 minimum and maximum value. Likewise VR_ANTI_RANGE is special
40 in this case, as is -fwrapv.
42 2006-06-08 Mike Stump <mrs@apple.com>
45 * config/darwin.c (darwin_asm_output_anchor): Disable
46 -fsection-anchors on darwin for now.
47 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
48 * rs6000/rs6000.c (optimization_options): Likewise.
50 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
53 * config/i386/i386.c (classify_argument): Skip fields with invalid
56 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
58 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
59 (cse_insn): Likewise for the stack_pointer_rtx.
61 2006-06-08 Roger Sayle <roger@eyesopen.com>
63 * tree-ssa-dom.c (record_conditions): Only record "unordered"
64 conditions from floating point comparisons.
66 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
69 * expmed.c (struct alg_hash_entry): Fix type of field T
70 to match synth_mult argument.
71 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
73 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
76 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
79 2006-06-08 Richard Guenther <rguenther@suse.de>
82 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
83 only, if overflow is defined and not trapping.
84 (negate_expr): Likewise.
86 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
88 PR tree-optimization/27872
89 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
90 flag on the new exit edge of the unrolled loop.
92 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
94 PR rtl-optimization/26449
95 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
97 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
100 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
101 referenced_variables with matching DECL_UID's.
102 (find_referenced_vars): Make sure duplicate list is empty to start.
103 (referenced_var_p): Remove.
104 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
105 Check if var is in the list, and add if needed. Update the duplicate
106 list if a different var is in the list with the same DECL_UID.
107 (add_referenced_var): Call routine to check and insert.
108 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
109 * tree-flow.h (referenced_vars_dup_list): External declaration.
111 2006-06-07 Fred Fish <fnf@specifix.com>
113 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
116 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
119 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
120 the imaginary and real parts of a clobbered register.
121 Emit insn to set the imaginary part.
123 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
125 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
126 in lieu of unwind-dw2-fde.c.
128 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
130 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
132 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
135 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
136 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
137 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
138 V4SImode temporaries and operations instead.
140 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
142 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
145 2006-06-06 Mike Stump <mrs@apple.com>
147 * Makefile.in: Rename to htmldir to build_htmldir to avoid
148 installing during build.
150 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
152 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
154 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
155 * config/ia64/ia64.c (params.h): New header.
156 (ia64_optimization_options): New function to adjust parameters.
157 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
158 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
159 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
161 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
163 * stor-layout.c (debug_rli): Fix a typo in a debug message.
165 2006-06-05 Steve Ellcey <sje@cup.hp.com>
168 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
170 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
171 Victor Kaplansky <victork@il.ibm.com>
173 PR tree-optimization/26360
174 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
177 2006-06-04 Roger Sayle <roger@eyesopen.com>
178 Andrew Pinski <pinskia@physics.uc.edu>
181 * c-common.c (c_common_truthvalue_conversion): Explicitly check
182 for LABEL_DECL before calling DECL_WEAK.
185 * c-typeck.c (build_binary_op): Likewise, explicitly check for
186 LABEL_DECL and PARM_DECL.
188 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
192 * c-decl.c (grokdeclarator): Disallow variably modified types at
193 file scope. Avoid marking shared array type of constant size as
196 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
199 * c-common.c (fold_offsetof_1): Handle static members.
201 2006-06-04 Eric Christopher <echristo@apple.com>
203 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
204 (debug_rli): Output value for remaining_in_alignment.
205 (update_alignment_for_field): Unconditionalize
206 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
207 extra alignment code.
208 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
209 ms_bitfield_layout_p code. Rewrite handling of structure fields.
210 * tree.h (record_layout_info_s): Remove prev_packed.
211 * doc/extend.texi (ms_struct): Add documentation of format.
213 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
215 * tree.h: Declare folding_initializer.
216 * builtins.c (fold_builtin_constant_p): Give definite answer
217 if folding inside an initializer.
218 * fold-const.c: Define folding_initializer.
219 (START_FOLD_INIT): Save and then set folding_initializer.
220 (END_FOLD_INIT): Restore folding_initializer.
222 2006-06-04 Richard Guenther <rguenther@suse.de>
224 PR tree-optimization/27039
225 * fold-const.c (fold_comparison): Handle pointer comparison
226 again for all comparison codes. Compare offsets in signed
228 (fold_binary): Move code from here.
230 2006-06-03 Roger Sayle <roger@eyesopen.com>
233 * config/i386/i386.c (construct_container): Split static issued_error
234 flag into issued_sse_arg_error, issued_sse_ret_error and
235 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
236 requires the use of x87 registers and the user explicitly
237 specified the -mno-80387 command line option.
239 2006-06-02 Geoffrey Keating <geoffk@apple.com>
241 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
242 HAVE_DECL_SIGALTSTACK.
244 (segv_handler): Use MC_FLD.
245 * configure.ac: Check for a sigaltstack declaration.
246 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
247 * configure: Regenerate.
248 * config.in: Regenerate.
250 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
253 * Makefile.in (stmp-fixinc): Fix typo.
255 2006-06-02 Roger Sayle <roger@eyesopen.com>
257 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
258 are type correct. Clean-up.
259 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
260 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
262 2006-06-01 DJ Delorie <dj@redhat.com>
264 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
265 shift, as we've disabled the "switch" insn that needs it.
267 2006-06-01 Per Bothner <bothner@bothner.com>
269 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
270 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
271 * c-ppoutput.c (cb_define): Don't increment line 0.
273 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
275 * doc/invoke.texi: Add cpu_type power6.
276 * config.gcc: Add cpu_type power6.
277 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
278 to power5+ with Altivec.
279 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
280 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
282 2006-05-30 Anatoly Sokolov <aesok@post.ru>
284 * config/avr/avr.h (SET_ASM_OP): Define.
286 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
288 * config/bfin/bfin.c: Fix comment typos.
290 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
293 * doc/install.texi: Document --enable-bootstrap and
296 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
298 * doc/install.texi: Document that InfoZIP can replace jar.
300 2006-05-31 Roger Sayle <roger@eyesopen.com>
302 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
303 isn't available, directly generate the simpler x87 patterns without
304 the (use (const_int 0)).
305 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
306 implementation isn't available.
307 (*negdf2_1): Likewise.
308 (*negxf2_1): XF mode negation is always done using the x87.
309 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
311 2006-05-31 Roger Sayle <roger@eyesopen.com>
313 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
314 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
316 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
318 2006-05-31 Jie Zhang <jie.zhang@analog.com>
320 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
321 * config/bfin/bfin.c (basic-block.h): Include.
322 (struct machine_function): New.
323 (bfin_init_machine_status): New.
324 (override_options): Initialize init_machine_status.
325 (bfin_hardware_loop): New.
326 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
327 (DEF_VEC_P (loop_info)): New.
328 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
329 (struct loop_info): New.
330 (loop_info): New typedef.
331 (struct loop_work): New.
332 (loop_work): New typedef.
333 (DEF_VEC_O (loop_work)): New.
334 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
335 (bfin_dump_loops): New.
336 (bfin_bb_in_loop): New.
337 (bfin_scan_loop): New.
338 (bfin_optimize_loop): New.
339 (bfin_reorg_loops): New.
340 (bfin_reorg): Use bfin_reorg_loops.
341 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
343 (I_REGNO_P): Simplify.
344 (DP_REGNO_P, DPREG_P): New macros.
345 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
346 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
347 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
348 Add LT_REGS, LC_REGS, LB_REGS.
349 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
351 (REGNO_REG_CLASS): Deal with loop registers.
352 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
354 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
355 New constants for loop registers.
356 (UNSPEC_LSETUP_END): New.
357 (seq_insns): New define_attr. Set it for appropriate insns.
358 (movsi_insn): Add alternatives for move from/to
359 loop count registers.
360 (doloop_end): New define_expand.
361 (loop_end): New define_insn.
362 (define_split for bad doloop_end): New.
363 (lsetup_with_autoinit): New define_insn.
364 (lsetup_without_autoinit): New define_insn.
365 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
366 * config/bfin/predicates.md (lc_register_operand): New.
367 (lt_register_operand): New.
368 (lb_register_operand): New.
369 (nondp_register_operand): New.
370 (nondp_reg_or_memory_operand): New.
371 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
373 2006-05-31 Jie Zhang <jie.zhang@analog.com>
375 * config/bfin/bfin.c (bfin_delegitimize_address): New.
376 (TARGET_DELEGITIMIZE_ADDRESS): Define.
378 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
380 * Makefile.in (CATALOGS): Add po/ prefix.
381 * configure: Regenerated.
383 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
386 * arm.c (arm_print_operand case 'S'): Validate that the operand is
387 a shift operand before calling shift_op. Avoid redundant call of
390 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
391 DJ Delorie <dj@redhat.com>
393 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
394 we're inserting is a singlt-bit constant.
396 2006-05-30 Roger Sayle <roger@eyesopen.com>
398 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
399 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
401 2006-05-30 Roger Sayle <roger@eyesopen.com>
403 PR tree-optimization/23452
404 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
405 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
406 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
407 complex values and with -ffast-math for FP complex values.
409 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
411 * c-common.h: Remove the prototype for yyparse.
412 * rtl.h: Remove the prototype for init_loop.
414 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
416 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
419 2006-05-30 Roger Sayle <roger@eyesopen.com>
421 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
423 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
424 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
426 2006-05-30 Dirk Mueller <dmueller@suse.de>
429 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
430 for CONSTANT_CLASS_P expresisons.
432 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
435 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
437 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
439 PR tree-optimization/27779
440 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
441 initial_condition instead of CHREC_LEFT.
443 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
445 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
446 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
447 Make prototypes ISO C90.
449 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
450 Leehod Baruch <leehod.baruch@weizmann.ac.il>
452 * see.c (see_analyze_one_def): Correct check.
453 (see_get_extension_data): Check if extension is parallel.
454 (see_get_extension_reg): Likewise.
456 2006-05-30 Uros Bizjak <uros@kss-loka.si>
459 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
460 into register for (code == GTU).
462 2006-05-29 Roger Sayle <roger@eyesopen.com>
464 PR tree-optimization/24964
465 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
466 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
467 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
468 abs(x)*abs(x) as x*x for scalar floating point modes.
470 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
473 * lambda-code.c (perfect_nestify): Don't copy statements
474 in the inner loop: move them to the inner loop header.
476 2006-05-29 Diego Novillo <dnovillo@redhat.com>
479 * c-tree.texi: Document OpenMP directives and clauses.
481 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
483 * varasm.c (globalize_decl): Fix indentation.
485 2006-05-29 Diego Novillo <dnovillo@redhat.com>
488 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
489 pass_fre, pass_store_ccp, pass_copy_prop,
490 pass_store_copy_prop, pass_merge_phi, pass_nrv,
491 pass_return_slot, pass_object_size, pass_lim,
492 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
493 pass_loop_prefetch and pass_stdarg.
495 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
497 * config/bfin/bfin.opt (mfdpic): New option.
498 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
499 (EXTRA_MULTILIB_PARTS): Likewise.
500 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
501 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
503 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
504 (CRT_CALL_STATIC_FUNCTION): New.
505 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
507 (CRT_CALL_STATIC_FUNCTION): New.
508 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
510 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
511 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
512 (initialize_trampoline): Changed to handle FD-PIC code generation.
513 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
514 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
515 (override_options): Disallow -mid-shared-library -mfdpic combination.
516 Can't do unaligned ops if FD-PIC.
517 Turn off flag_pic if trying to generate non-id-shared-library
518 non-fdpic code, since it's not supported.
519 (bfin_assemble_integer): New function.
520 (TARGET_ASM_INTEGER): Define.
521 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
523 * config/bfin/crtn.s: Restore them.
524 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
526 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
527 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
528 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
529 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
530 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
532 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
533 FDPIC_REGS and FDPIC_FPTR_REGS.
534 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
535 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
536 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
537 (load_funcdescsi): New pattern.
538 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
539 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
540 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
542 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
544 * gcse.c, rtlanal.c: Remove obsolete comments associated with
547 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
549 * tree-flow.h: Remove the prototype for add_type_alias.
550 * tree-ssa-alias.c (add_type_alias): Remove.
552 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
554 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
555 config/fr30/fr30.md, config/i386/i386-interix.h,
556 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
557 config/sh/superh64.h, config/v850/v850.c, df-core.c,
558 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
559 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
560 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
561 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
562 Follow spelling conventions.
563 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
564 Follow spelling conventions.
566 2006-05-27 Richard Guenther <rguenther@suse.de>
569 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
570 to produce a constant of value 1 of generic type.
572 2006-05-27 Dirk Mueller <dmueller@suse.de>
574 * cgraphunit.c (decide_is_function_needed): Fix wrong
577 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
579 PR rtl-optimization/27661
580 * reload.c (find_reloads): When reloading a VOIDmode constant
581 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
582 use Pmode as mode of the reload register.
584 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
586 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
587 is enabled at -O and above.
589 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
592 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
595 2006-05-25 Mark Mitchell <mark@codesourcery.com>
598 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
599 for anonymous variables explicitly declared by front ends.
601 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
603 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
604 (struct alias_info): Add new field ref_all_symbol_mem_tag.
605 * tree-ssa-alias.c (compute_may_aliases): If the program contains
606 ref-all pointers, run a finalization pass for them.
607 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
608 (finalize_ref_all_pointers): New function.
609 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
610 regular pointer type to a ref-all pointer type.
611 (get_tmt_for): Return the special memory tag for ref-all pointers.
613 2006-05-25 Richard Guenther <rguenther@suse.de>
616 * fold-const.c (fold_binary): Do not look at the stripped
617 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
619 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
621 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
622 for LT and GT if the computed range is effectively empty.
624 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
627 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
628 mips_quad_format formats instead of ieee_single_format,
629 ieee_double_format and ieee_quad_format formats, respectively.
631 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
633 PR tree-optimization/27639
634 PR tree-optimization/26719
635 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
636 call to scev_probably_wraps_p.
637 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
638 used_in_pointer_arithmetic_p, convert_step): Removed.
639 (nowrap_type_p): New function.
640 (scev_probably_wraps_p): Rewritten.
641 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
642 chrec_convert if chrec_convert_aggressive might have been used.
643 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
644 scev_direction): New functions.
645 (chrec_convert): Changed to a wrapper over chrec_convert_1.
646 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
647 instead of convert_step.
648 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
649 (convert_step): Declaration removed.
650 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
652 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
654 * df-core.c: Added to header comments.
655 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
656 df_ur_bb_info, df_urec_bb_info): Added comments.
657 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
658 urec, ri problems): Fixed header comments.
659 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
660 code from df_rd_transfer_function.
662 2006-05-23 Richard Sandiford <richard@codesourcery.com>
664 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
665 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
666 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
668 2006-05-23 Joseph Myers <joseph@codesourcery.com>
670 * expr.c (undefined_operand_subword_p): New.
671 (emit_move_multi_word): Do not generate move from undefined bits
672 of a paradoxical subreg.
674 2006-05-23 Richard Sandiford <richard@codesourcery.com>
676 PR rtl-optimization/27736
677 * combine.c (replaced_rhs_value): New variable.
678 (combine_instructions): Set it.
679 (distribute_notes): When distributing a note in replaced_rhs_insn,
680 check whether the value was used in replaced_rhs_value.
682 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
685 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
686 add_referenced_var instead of add_referenced_tmp_var.
687 * tree-complex.c (create_one_component_var): Use add_referenced_var.
688 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
690 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
691 tree_optimize_tail_calls_1): Use add_referenced_var.
692 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
693 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
694 Use add_referenced_var.
695 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
696 * gimplify.c (force_gimple_operand): Use add_referenced_var.
697 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
698 Use add_referenced_var.
699 * tree-dfa.c (struct walk_state): Remove.
700 (find_referenced_vars): Remove walk state and vars_found hash table.
701 (make_rename_temp): Use add_referenced_var.
702 (find_vars_r): Pass less parameters to add_referenced_var.
703 (referenced_var_p): New. Is var in referenced_var hash table.
704 (referenced_var_insert): Assert var isn't already in hash table.
705 (add_referenced_var): Don't need walk_state parameter. Add var if it
706 isn't already in the hash table.
707 (add_referenced_tmp_var): Remove.
708 (find_new_referenced_vars_1): Use add_referenced_var.
709 * tree-ssa-pre.c (create_expression_by_pieces,
710 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
711 Use add_referenced_var.
712 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
713 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
714 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
716 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
717 vect_create_data_ref_ptr, vect_create_destination_var,
718 vect_init_vector, vect_build_loop_niters,
719 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
720 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
721 Use add_referenced_var.
722 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
723 * tree-flow.h (add_referenced_tmp_var): Remove prototype
724 (add_referenced_var): Add prototype.
725 * tree-ssa-structalias.c (get_constraint_for,
726 intra_create_variable_infos): Use add_referenced_var.
728 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
730 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
731 big-endian paradoxical subregs.
732 * var-tracking.c (struct micro_operation_def): Document that,
733 for modify micro operations, insn is the subsequent instruction.
734 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
735 (var_reg_set, var_mem_set): ... new functions.
736 (add_stores): Record subsequent insn.
737 (compute_bb_dataflow): Use new functions for MO_USE.
738 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
739 notes after the insn, and modify notes before the insn known
740 to be the subsequent one.
741 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
743 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
746 * config/i386/i386.c (ix86_expand_builtin): Use
747 gen_sse3_monitor64 for TARGET_64BIT.
749 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
751 PR rtl-optimization/26375
752 PR rtl-optimization/26855
753 * df-problems (df_ru_bb_local_compute_process_def): Removed update
755 (df_ru_bb_local_compute): Reversed statements and removed bogus
756 comment explaining why they should be in wrong order.
757 (df_ru_dump, df_rd_dump): Enhanced debug info.
758 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
760 * ddg.c (add_deps_for_def): Converted use of reaching defs to
761 reaching uses and fixed space problem.
763 2006-05-23 Jan Hubicka <jh@suse.cz>
765 * cgraphunit.c (decide_is_function_needed): Also nested functions
766 and functions declared inline can be optimized out at -O0.
768 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
770 * doc/install.texi (Configuration): Remove reference to CrossGCC
771 FAQ which was hijacked.
774 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
777 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
778 ix86_compare_emitted is non-NULL.
780 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
783 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
786 2006-05-22 Richard Sandiford <richard@codesourcery.com>
788 PR rtl-optimization/25514
789 * combine.c (replaced_rhs_insn): New variable.
790 (combine_instructions): Set replaced_rhs_insn when trying to replace
791 a SET_SRC with a REG_EQUAL note.
792 (distribute_notes): Use replaced_rhs_insn when determining the live
793 range of a REG_DEAD register.
795 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
796 Anatoly Sokolov <aesok@post.ru>
798 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
799 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
800 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
801 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
802 atmega3290, atmega649, atmega6490, atmega406, atmega640,
803 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
804 at90usb647, at90usb1286 and at90usb1287 devices.
805 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
806 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
808 2006-05-22 Richard Sandiford <richard@codesourcery.com>
810 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
812 2006-05-22 Richard Guenther <rguenther@suse.de>
815 2006-01-31 Richard Guenther <rguenther@suse.de>
816 Paolo Bonzini <bonzini@gnu.org>
818 * doc/install.texi (--disable-libgcc-math): Document.
820 2006-05-22 Richard Guenther <rguenther@suse.de>
823 2006-01-31 Richard Guenther <rguenther@suse.de>
825 * doc/invoke.texi (-msselibm): Document.
826 * target.h (expand_library_builtin): New target hook.
827 * builtins.c (expand_builtin): Use expand_library_builtin.
828 (default_expand_library_builtin): New function.
829 * gcc.c (LINK_GCC_MATH_SPEC): Define.
830 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
831 (link_gcc_math_spec): Declare.
832 (static_specs): Add link_gcc_math_spec.
833 * expr.h (default_expand_library_builtin): Declare.
834 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
835 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
836 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
837 * config/i386/i386.opt (msselibm): New target option.
838 * config/i386/i386.c (ix86_builtin_function_variants): New array.
839 (ix86_init_sse_abi_builtins): New function.
840 (ix86_expand_library_builtin): Likewise.
841 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
842 (override_options): Handle error conditions wrt -msselibm.
843 (ix86_builtins): Add function codes for SSE2 ABI builtins.
844 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
845 * doc/extend.texi (__builtin_sse2_*): Document new target specific
848 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
851 * c-common.c (self_promoting_args_p): Skip erroneous args.
854 * c-decl.c (finish_struct): Skip erroneous fields.
856 2006-05-22 Nick Clifton <nickc@redhat.com>
858 * config/cris/cris.opt (march): Remove VarExists attribute.
859 (max-stackframe=): Likewise.
861 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
863 * doc/rtl.texi: Fix a typo.
864 * see.c: Fix comment typos.
866 * tree-ssa-structalias.h (alias_info): Remove num_references.
868 2006-05-21 Mike Stump <mrs@apple.com>
870 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
872 (darwin_pragma_options): Use BAD instead.
873 (darwin_pragma_unused): Likewise.
874 (darwin_pragma_ms_struct): Likewise.
876 2006-05-21 David Edelsohn <edelsohn@gnu.org>
878 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
880 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
882 PR rtl-optimization/27671
883 * simplify-rtx.c (simplify_relational_operation_1): Fix
884 simplifications of (eq/ne (xor x y) y) and
887 PR tree-optimization/26622.
888 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
891 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
893 * tree-cfg.c: Prune whitespace.
894 (debug_tree_cfg): Point to correct header containing the
897 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
900 * cgraphunit.c (verify_cgraph_node): Typo in error message.
902 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
905 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
906 or sorry count is non zero.
908 2006-05-20 Andreas Schwab <schwab@suse.de>
910 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
912 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
913 Kenneth Zadeck <zadeck@naturalbridge.com>
915 PR rtl-optimization/26855
917 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
919 (df_scan_alloc): Added code to properly handle multiword hard
920 registers and add all_blocks parameter.
921 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
922 code to properly handle multiword hard registers.
923 (df_rescan_blocks): Added code to remove deleted blocks from
925 (df_ref_create_structure, df_ref_record): Added code to properly
927 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
928 and set DF_REF_PARTIAL.
929 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
930 (df_uses_record): Added DF_REF_PARTIAL for subreg.
931 (df_scan_add_problem): Added flags parameter.
932 (df_ref_create_structure): Changed switching structure.
933 (df_bb_refs_record): Fixed case where duplicate artificial refs
934 were created. Changed location of flags.
935 (df_record_entry_block_defs): Added code to make stack pointer
936 live in entry block. Refined cases where frame pointer is needed.
937 Changed location of flags.
938 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
939 (df_set_state): Removed function.
940 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
941 df_insn_create_insn_record, df_insn_refs_delete,
942 df_ref_create_structure): Formatting changes.
943 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
944 df_delete_basic_block): New function.
945 (df_init): Changed location of flags.
946 (df_add_problem): Added flags parameter and the way flags are
948 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
949 debug_df_chain): Improved debugging output.
950 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
951 (df_refs_chain_dump): Removed df parameter.
952 (df_iterative_dataflow): Added consistency check.
953 (df_prune_to_subcfg): Made public.
954 (df_analyze_problem): Added blocks_to_init parameter and made
956 (df_ref_record, df_bb_refs_record, df_mark_reg,
957 df_record_exit_block_uses): Whitespace changes.
958 (df_dump): Whitespace changes.
959 * df.h: Some reordering to remove forward references.
960 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
961 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
962 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
963 (dataflow.flags): New field.
964 (df.flag): Deleted field.
965 (df_alloc_function): Added additional bitmap parameter.
966 (df_dependent_problem_function): New type.
967 (df_problem.changeable_flags): New field.
968 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
969 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
970 (df_mw_hardreg): New struct.
971 (DF_INSN_UID_MWS): New macro.
972 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
974 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
975 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
976 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
977 (df_set_state): Removed function.
978 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
979 * df-problems.c (df_chain_dump): Removed df parameter.
980 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
981 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
983 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
984 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
985 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
986 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
987 DF_REF_MUST_CLOBBER cases.
988 (df_ru_bb_local_compute_process_def,
989 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
990 df_lr_bb_local_compute, df_ur_bb_local_compute,
991 df_chain_create_bb): Made subreg aware.
992 (df_ru_bb_local_compute, df_rd_bb_local_compute,
993 df_lr_bb_local_compute, df_lr_bb_local_compute,
994 df_chain_create_bb): Cleanup to use proper macros.
995 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
996 code to fixup bitvectors.
997 (df_ri_alloc): Cleared lifetime.
998 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
999 df_create_unused_note): New function.
1000 (df_ri_bb_compute, df_ri_compute): Added code to create/update
1001 REG_DEAD and REG_UNUSED notes as well as register information.
1002 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
1003 df_chains_dump): Fixed crash if problem was never run.
1004 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
1005 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
1006 df_ri_add_problem): Processes flags in uniform manner.
1007 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
1008 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
1009 df_rd_dump, df_urec_free_bb_info): Formatting changes.
1010 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
1011 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
1012 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
1013 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
1014 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
1015 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
1016 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
1017 * see.c (see_initialize_data): Ditto.
1018 * final.c (rest_of_clean_state) Added regstack_completed.
1019 * rtl.h (regstack_completed): Ditto.
1020 * reg-stack.c (regstack_completed): Ditto.
1022 2006-05-19 Mike Stump <mrs@apple.com>
1024 * c-tree.h (default_conversion): Remove.
1025 * c-common.h (default_conversion): Add.
1027 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
1029 * tree-vrp.c (valid_value_p): New function.
1030 (adjust_range_with_scev): Fail if the value of bound is not
1033 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1035 * config/mips/linux-unwind.h: Include <asm/unistd.h>
1036 (mips_fallback_frame_state): Use syscall numbers to determine
1037 the appropriate li instruction for the current ABI. Only use
1038 __NR_sigreturn for o32.
1040 2006-05-19 Nicolas Setton <setton@adacore.com>
1042 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
1043 * langhooks.c (lhd_dwarf_name): New function.
1044 * langhooks-def.h (lhd_dwarf_name): Declare.
1045 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
1046 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
1047 * ada/misc.c (gnat_dwarf_name): New function.
1048 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
1050 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1052 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
1054 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
1055 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
1056 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
1057 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
1058 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
1059 determine the size of Wtype, etc.
1060 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
1061 (swfloatfuncs): New variable.
1062 (dwfloatfuncs): Likewise.
1063 (lib2funcs): Remove floating-point conversion functions from
1064 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
1065 the set of conversion routines needed. Allow entries to specify
1066 an object name, filename and word size. Update users accordingly.
1067 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
1068 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
1072 2006-02-08 Roger Sayle <roger@eyesopen.com>
1075 * config/fixtfdi.c: New libgcc source file.
1076 * config/fixunstfdi.c: New source file.
1077 * config/floatditf.c: New source file.
1078 * config/floatunditf.c: New souce file.
1079 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1080 files above instead of config/mips/_tilib.c.
1081 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1083 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1085 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
1086 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
1088 2006-05-18 Mike Stump <mrs@apple.com>
1090 Fix up vla, vm and [*] sematics.
1096 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
1097 (c_vla_unspec_p): Add.
1098 (c_vla_type_p): Add.
1099 * c-decl.c (struct c_scope): Add had_vla_unspec.
1100 (build_array_declarator): Add support for [*].
1101 (grokdeclarator): Likewise.
1102 (grokparms): Likewise.
1103 (get_parm_info): Likewise.
1104 * c-objc-common.c (c_vla_unspec_p): Likewise.
1105 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
1106 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
1107 typeof when argument is a variably modified type not inside sizeof or alignof.
1108 (c_parser_direct_declarator_inner): Propagate errors.
1109 (c_parser_sizeof_expression): Add support for [*].
1110 (c_parser_parms_declarator): Initialize had_vla_unspec.
1111 (c_parser_parms_list_declarator): Likewise.
1112 * c-typeck.c (c_vla_type_p): Add.
1113 (composite_type): Add support for vla compositing.
1114 (comptypes_internal): Add support for vla compatibility.
1115 (c_expr_sizeof_expr): Evaluate vla arguments.
1116 * tree.c (variably_modified_type_p): Update comment for [*].
1118 2006-05-18 Michael Matz <matz@suse.de>
1121 * config.host: Make assignments to host_xmake_file cumulative.
1122 * config.host (*-darwin*): Test $host, not $target.
1124 2006-05-12 Stuart Hastings <stuart@apple.com>
1126 * config/i386/i386.opt (-mstackrealign): New flag.
1127 * config/i386/i386.c (force_align_arg_pointer): New attribute.
1128 (ix86_handle_cconv_attribute): Emit error when
1129 force_align_arg_pointer attribute collides with too many regparms.
1130 (ix86_function_regparm): Limit regparms when used with
1131 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
1132 Support stack-realigning prologue in non-main functions. Emit
1133 warning for nested functions under -mstackrealign, emit error for
1134 nested functions with force_align_arg_pointer attribute.
1135 * doc/extend.texi (force_align_arg_pointer): Document it.
1136 * doc/invoke.texi (-mstackrealign): Document it.
1138 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
1140 PR rtl-optimization/27477
1141 * combine.c (try_combine): Don't split a parallel consisting
1142 of two sets into two individual sets if both sets reference
1145 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
1147 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
1148 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
1150 * doc/options.texi (VarExists): Updated.
1152 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1154 * unwind-dw2.c: Add declarations for uw_update_context and
1156 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
1157 detected, advance frame state and context once to skip over stub.
1159 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1163 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
1164 Call rewrite_into_loop_closed_ssa only when something changed.
1165 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
1166 * lambda-code.c (can_convert_to_perfect_nest): Declared.
1167 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
1168 Test for perfect_nest_p here. Fix formating.
1169 (replace_uses_equiv_to_x_with_y): Fix formating.
1170 (stmt_uses_op): Removed.
1171 (can_convert_to_perfect_nest): Removed loopivs parameter.
1172 Complete the test by checking the scalar dependences.
1173 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
1176 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1179 From Dan Kegel <dank@kegel.com>:
1180 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
1182 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
1184 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
1185 if the element type is variably modified without recursing.
1187 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1190 * tree-loop-linear.c (try_interchange_loops): Test for
1191 no data dependences.
1193 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
1195 PR tree-optimization/27548
1196 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
1197 range of ssa names that appear on abnormal edges.
1198 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
1199 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
1201 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1204 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
1206 2006-05-17 Jakub Jelinek <jakub@redhat.com>
1209 * tree.h (OMP_PARALLEL_COMBINED): Define.
1210 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
1211 (new_omp_context): Add is_combined_parallel argument.
1212 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
1213 new_omp_context caller.
1214 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
1215 Adjust gimplify_scan_omp_clauses callers.
1216 (omp_is_private): Issue errors if iteration variable is firstprivate
1217 or reduction in the current context.
1218 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
1219 on combined parallel workshare constructs.
1221 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1223 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
1224 (gcc-options.o): New rule.
1226 * optc-gen.awk: Protect variables for gcc-options.o with
1227 #ifdef GCC_DRIVER/#endif.
1229 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
1231 Fix PR tree-optimization/27373
1232 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
1233 (forward_propagate_addr_expr): Update call.
1235 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1237 * doc/options.texi: Move the Negative option.
1239 2006-05-16 Richard Guenther <rguenther@suse.de>
1241 PR tree-optimization/22303
1242 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
1244 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
1245 ccp_fold did not simplify the statement.
1247 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1250 * Makefile.in (GCC_OBJS): New.
1251 (OBJS-common): Add opts-common.o.
1252 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
1253 (cpp$(exeext)): Likewise.
1254 (gcc.o): Also depend on opts.h.
1255 (opts-common.o): New.
1257 * common.opt (gcoff): Add Negative(gdwarf-2).
1258 (gdwarf-2): Add Negative(gstabs).
1259 (gstabs): Add Negative(gstabs+).
1260 (gstabs+): Add Negative(gvms).
1261 (gvms): Add Negative(gxcoff).
1262 (gxcoff): Add Negative(gxcoff+).
1263 (gxcoff+): Add Negative(gcoff).
1264 * config/i386/i386.opt (m32): Add Negative(m64).
1265 (m64): Add Negative(m32).
1267 * doc/options.texi: Document the Negative option.
1269 * gcc.c: Include "opts.h".
1270 (main): Call prune_options after expandargv.
1272 * optc-gen.awk: Generate common declarations for all flag
1273 variables in options.c. Output the neg_index field.
1275 * opts.c (find_opt): Moved to ...
1276 * opts-common.c: Here. New file.
1278 * opts.h (cl_option): Add a neg_index field.
1280 (prune_options): Likewise.
1282 2006-05-16 Jakub Jelinek <jakub@redhat.com>
1285 * omp-low.c (expand_omp_parallel): Don't assert
1286 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
1287 instead search for it.
1290 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
1293 2006-05-16 Andreas Schwab <schwab@suse.de>
1295 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
1298 2006-05-15 Roger Sayle <roger@eyesopen.com>
1301 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
1302 integer constants other than zero are only legitimate on TARGET_64BIT.
1303 <CONST_VECTOR> Only zero vectors are legitimate.
1304 (ix86_cannot_force_const_mem): Integral and vector constants can
1305 always be put in the constant pool.
1307 2006-05-16 DJ Delorie <dj@redhat.com>
1309 * crtstuff.c (__dso_handle): Set section from
1310 TARGET_LBIGCC_SDATA_SECTION if defined.
1311 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
1312 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
1314 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
1317 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
1320 2006-05-16 Ben Elliston <bje@au.ibm.com>
1322 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
1324 2006-05-15 Per Bothner <per@bothner.com>
1326 * tree.c: (last_annotated_node): Use source_locus typedef.
1327 This permits bootstrapping with --enable-mapped-location.
1329 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
1331 PR tree-optimization/26830
1332 * tree-into-ssa.c (struct ssa_name_info): Add age field.
1333 (info_for_ssa_name, current_info_for_ssa_name_age,
1334 blocks_to_update): New variables.
1335 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
1336 (clear_ssa_name_info, initialize_flags_in_bb,
1337 mark_block_for_update): New functions.
1338 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
1339 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
1340 prepare_def_site_for): Use mark_block_for_update.
1341 (mark_def_interesting): Assert that the processed block is marked in
1342 blocks_to_update. Do not take blocks argument.
1343 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
1345 (rewrite_update_init_block, rewrite_update_stmt): Only process
1346 blocks with statements to rewrite.
1347 (delete_update_ssa): Do not clear SSA_NAME_AUX.
1348 (update_ssa): Initialize and free blocks_to_update. Do not
1349 clear flags on statements. Do not use blocks bitmap.
1350 * tree.h (SSA_NAME_AUX): Removed.
1351 (struct tree_ssa_name): Removed aux field.
1352 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
1354 2006-05-15 Richard Guenther <rguenther@suse.de>
1356 PR tree-optimization/27603
1357 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1358 Do computations in original type.
1360 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
1362 * see.c: Code style changes such as redundant paranthesis,
1363 redundant intialization of local variables etc.
1364 (see_main): Declared now as static.
1365 * doc/invoke.texi: Update that -fsee is not enabled by
1368 2006-05-15 Jakub Jelinek <jakub@redhat.com>
1370 * omp-low.c (check_omp_nesting_restrictions): New function.
1371 (scan_omp_1): Call it.
1374 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
1375 construct, return *VAR.
1377 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
1379 PR rtl-optimization/27406
1380 * bt-load.c (migrate_btr_def): Skip the block having abnormal
1383 2006-05-14 Roger Sayle <roger@eyesopen.com>
1385 PR rtl-optimization/27538
1386 * combine.c (expand_compound_operation): Call gen_lowpart
1387 before calling simplify_shift_const.
1389 2006-05-14 Roger Sayle <roger@eyesopen.com>
1391 PR rtl-optimization/22563
1392 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
1393 a fixed width bitfield, always force the intermediates into psuedos.
1395 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
1398 * mkconfig.sh: Use operator = instead of == for test.
1400 2006-05-13 Nick Clifton <nickc@redhat.com>
1402 * dwarf2out.c (dbx_reg_number): Check return value from
1403 LEAF_REG_REMAP and only use it if it is valid.
1404 (multiple_reg_loc_descriptor): Likewise.
1406 2006-05-13 Richard Guenther <rguenther@suse.de>
1408 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
1411 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
1413 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
1414 information attached to non-INSNs such as NOTEs.
1415 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
1417 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
1419 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
1421 * config/s390/s390.md: Adjust comment describing On constraint.
1423 2006-05-11 Jan Hubicka <jh@suse.cz>
1425 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
1426 to be output at -O0.
1428 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1431 * fold-const.c (size_binop): Move sanity check for arguments to
1432 the beginning of the function.
1435 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
1438 2006-05-11 Richard Guenther <rguenther@suse.de>
1441 * fold-const.c (fold_unary): Handle intermediate conversion
1442 to a pointer type like intermediate conversion to an integer
1443 type in folding of (T1)(T2)var to var.
1444 Match the code to the comment in the final conversion for
1445 (T1)(T2)var to (T1)var regarding to type precision. Rather
1446 than disallow T1 being of pointer type, assert that both T1
1447 and var are of pointer type or not. Make sure not to fall
1448 over the frontends lazyness wrt array to pointer decay though.
1450 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
1452 * arm.c (arm_struct_value_rtx): Delete.
1453 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
1454 (arm_init_cumulative_args): Always initialize nregs to zero.
1456 2006-05-10 Richard Guenther <rguenther@suse.de>
1458 PR tree-optimization/27532
1459 * tree-object-size.c (plus_expr_object_size): Fix typo.
1461 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
1464 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
1465 ashrdi_const, ashrdi3): Use a scratch register.
1467 2006-05-10 Richard Guenther <rguenther@suse.de>
1469 PR tree-optimization/27302
1470 * fold-const.c (operand_equal_p): For two comparisons,
1471 try comparison of one comparison code swapped if that yields
1474 2006-05-10 Ben Elliston <bje@au.ibm.com>
1476 * tree-pretty-print.c (pretty_print_string): No need to handle
1477 '\0' as a special character.
1479 * tree.h: Include "hashtab.h".
1480 (iterative_hash_expr): Use hashval_t in its prototype.
1481 * Makefile.in (TREE_H): Add $(HASHTAB_H).
1483 2006-05-09 Steve Ellcey <sje@cup.hp.com>
1486 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
1487 (hppa*64*-*-hpux11*): Ditto.
1488 (hppa[12]*-*-hpux11*): Ditto.
1490 2006-05-09 David Edelsohn <edelsohn@gnu.org>
1493 * config/rs6000/aix41.h (TARGET_64BIT): Define.
1495 2006-05-09 Michael Matz <matz@suse.de>
1497 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
1498 host_extra_gcc_objs and host_xmake_file.
1499 (<*-*-linux*>): Don't overwrite host_xmake_file.
1500 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
1501 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
1502 (host_detect_local_cpu): Declare.
1503 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
1504 * config/i386/i386.c (override_options): Handle -mtune=native
1506 * config/i386/x-i386: New file.
1507 * config/i386/driver-i386.c: New file.
1508 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
1511 2006-05-09 Dirk Mueller <dmueller@suse.de>
1512 Richard Guenther <rguenther@suse.de>
1515 * fold-const.c (fold_read_from_constant_string): Relax check
1516 for matching types to matching modes.
1518 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
1520 PR rtl-optimization/27335
1521 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
1524 2006-05-08 Chao-ying Fu <fu@mips.com>
1525 Richard Sandiford <richard@codesourcery.com>
1527 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
1528 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
1529 * config/mips/mips.md (UNSPEC_SCC): New constant.
1530 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
1531 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
1532 (mips_emit_compare): Use it.
1533 (mips_expand_vcondv2sf): New function.
1535 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
1537 Fix PR tree-optimization/27093
1538 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
1539 renaming when they become not-used_alone.
1541 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1543 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
1544 relocation and relocation stubs.
1546 2006-05-08 Eric Christopher <echristo@apple.com>
1548 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
1551 2006-05-08 Jan Hubicka <jh@suse.cz>
1554 * cgraphunit.c (decide_is_function_needed): When not optimizing even
1555 unused static functions are needed.
1557 2006-05-08 Roger Sayle <roger@eyesopen.com>
1560 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1561 of a reg_equiv_constant if the result is a legitimate constant.
1563 2006-05-08 Uros Bizjak <uros@kss-loka.si>
1566 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
1567 standard 80387 constants, raise the cost to prevent
1568 compress_float_constant() to generate load from memory.
1570 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
1572 * config/arm/constraints.md (c): Fix a typo.
1574 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
1577 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
1580 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
1582 (_mm_mwait): Likewise.
1584 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
1586 (sse3_monitor): Make it 32bit only.
1587 (sse3_monitor64): New. 64bit monitor.
1589 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1592 * config/i386/i386.c (classify_argument): Skip fields with invalid
1595 2006-05-07 Richard Guenther <rguenther@suse.de>
1597 PR tree-optimization/27409
1598 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1599 Do not try to find zero-sized subvars.
1601 2006-05-07 Richard Guenther <rguenther@suse.de>
1603 PR tree-optimization/27136
1604 * tree-ssa-loop-niter.c (get_val_for): Correct function
1605 comment, assert requirements.
1606 (loop_niter_by_eval): Stop processing if the iterated
1607 value did not simplify.
1609 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
1611 * opts.c (flag_see): remove its setting at -O3.
1613 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
1615 * genpeep.c (main): Make insn-peep.c depend on flags.h.
1616 * arm/constraints.md: New file.
1617 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
1618 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
1619 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
1620 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
1621 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
1622 (EXTRA_MEMORY_CONSTRAINT): Likewise.
1623 * arm.md: Include constraints.md.
1624 (thumb_movsi_insn): Use satisfies_constraint_J.
1625 (movhi, movqi): Use satisfies_constraint_I.
1627 2006-04-29 Anatoly Sokolov <aesok@post.ru>
1629 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
1630 for atmeg a645 device.
1632 2006-05-06 Richard Guenther <rguenther@suse.de>
1634 PR tree-optimization/27151
1635 * tree-vect-transform.c (vectorizable_condition): Punt on
1636 values that have a different type than the condition.
1638 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
1641 * c-parser.c (c_parser_cast_expression): Only insert casts into
1642 hash table if pointer.
1643 * function.c (used_types_insert_helper): Rename from
1645 (used_types_insert): Call used_types_insert_helper.
1646 * function.h (used_types_insert): Accept only one argument.
1648 2006-05-05 David Edelsohn <edesohn@gnu.org>
1650 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
1651 scratch with output modifier.
1653 2006-05-04 David Edelsohn <edelsohn@gnu.org>
1656 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
1657 with output modifier.
1659 2006-05-04 Richard Sandiford <richard@codesourcery.com>
1662 * config/mips/mips.c (mips_symbolic_address_p): Return true
1663 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
1664 SYMBOL_GOTTPREL, and SYMBOL_TLS.
1666 2006-05-04 Richard Guenther <rguenther@suse.de>
1668 PR tree-optimization/14287
1669 PR tree-optimization/14844
1670 PR tree-optimization/19792
1671 PR tree-optimization/21608
1672 PR tree-optimization/27090
1673 * tree-ssa-pre.c (try_combine_conversion): New function.
1674 (compute_avail): After constructing the value-handle
1675 expression, use try_combine_conversion to combine NOP_EXPRs
1676 with previous value-handle expressions and use the result if it
1679 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
1681 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
1683 2006-05-04 Jan Hubicka <jh@suse.cz>
1686 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
1688 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
1690 * config/bfin/predicates.md (const01_rtx): Tell generator programs
1691 that this only matches CONST_INTs. All users changed to VOIDmode
1694 * config/bfin/bfin.c: Include "optabs.h".
1695 (bfin_rtx_costs): Some costs for vector operations, to allow combine
1697 (enum bfin_builtins): Add a number of fractional and vector builtins.
1698 (bfin_init_builtins): Likewise.
1699 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
1700 (safe_vector_operand, bfin_expand_binop_builtin,
1701 bfin_expand_unop_builtin): New functions.
1702 (bfin_expand_builtin): Handle the new builtins.
1703 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
1706 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
1709 * Makefile.in (OBJS-common): Add see.o.
1710 (see.o): Add dependencies.
1711 * common.opt (fsee): New flag for the see optimization was added.
1712 * opts.c (flag_see): Initialized.
1713 * passes.c (init_optimization_passes, pass_see): New pass.
1714 * rtl.h (see_main): Declaration as extern.
1715 * timevar.def (TV_SEE): New.
1716 * tree-pass.h (pass_see): Declaration as extern.
1717 * invoke.texi (-fsee): Document.
1718 * recog.c (validate_simplify_insn): New function.
1719 * recog.h (validate_simplify_insn): Declaration as extern.
1720 * df-problems.c (df_chain_dump): Check for NULL.
1722 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
1723 Daniel Berlin <dberlin@dberlin.org>
1725 * cfgrtl.c (insert_insn_bb_end_new): New function.
1726 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
1728 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1730 * df.h (struct web_entry): Moved from web.c.
1731 (union_defs): Declaration as extern.
1732 (unionfind_root): Likewise.
1733 (unionfind_union): Likewise.
1734 * web.c (struct web_entry): Moved to df.h.
1735 (unionfind_root): Remove static declaration.
1736 (unionfind_union): Likewise.
1737 (union_defs): Likewise and generalize to use callback function.
1738 (web_main): Update arguments for union_defs function call.
1740 2006-05-04 Richard Guenther <rguenther@suse.de>
1742 PR tree-optimization/26447
1743 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
1744 produce SSA_NAME copies before the store stmt to avoid
1745 breaking exception handling.
1747 2006-05-04 Jakub Jelinek <jakub@redhat.com>
1750 * gimplify.c (omp_is_private): If var is shared in some outer context,
1751 return false instead of true. Stop searching on parallel context
1754 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
1757 * coverage.c: Use get_gcov_unsigned_t() instead of
1758 unsigned_type_node all over.
1760 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
1762 PR tree-optimization/27381
1763 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
1764 maintain the same immediate_use links.
1765 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
1766 node rather than segfaulting.
1768 2006-05-03 Jakub Jelinek <jakub@redhat.com>
1771 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
1772 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
1773 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
1775 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
1777 Fix PR tree-optimization/26626
1778 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
1780 * tree-ssa-operands.c (access_can_touch_variable): Allow
1781 typecasting through union pointers.
1783 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1786 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
1787 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
1788 to find if var will be a global variable even in the nested context.
1789 (omp_copy_decl): Only check for global variable at the end, it might
1790 be overridden in outer contexts.
1791 (scan_sharing_clauses): For global variables don't create a field.
1792 (lower_rec_input_clauses): Do nothing for global shared variables.
1793 Emit a barrier at the end of ILIST if there were any decls in both
1794 firstprivate and lastprivate clauses.
1795 (lower_send_clauses): Do nothing for global variables except for
1798 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
1800 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
1801 of the correct signedness is returned.
1803 2006-05-02 Jeff Law <law@redhat.com>
1805 PR tree-optimization/27364
1806 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
1807 multiply expressions.
1809 2006-05-02 Tom Tromey <tromey@redhat.com>
1811 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
1813 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
1816 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
1817 -mthumb -fPIC are used.
1819 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
1820 Joshua Kinard <kumba@gentoo.org>
1823 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
1824 with 64-bit pointers.
1826 2006-05-02 Paul Brook <paul@codesourcery.com>
1828 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
1830 (create_fix_barrier): Check that a suitable barrier location is
1832 (arm_reorg): Include ftmp->address in allowable range of addresses.
1834 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
1837 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
1840 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1843 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
1844 around RESULT_DECL for result passed by reference.
1845 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
1846 * omp-low.c (use_pointer_for_field): Don't look at
1847 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
1848 (scan_omp_1): Call remap_decl on RESULT_DECLs.
1849 (lower_rec_input_clauses): Don't allocate VLA memory for the second
1850 time or var for passing by reference for
1851 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
1852 TREE_ADDRESSABLE variables when passing by reference.
1854 * omp-low.c (dump_omp_region): Fix output formatting.
1857 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
1858 (expand_omp_parallel): Likewise.
1859 * tree-cfg.c (move_sese_region_to_fn): Likewise.
1862 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
1863 on statement list containing also constructors and destructors.
1864 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
1867 * except.c (duplicate_eh_regions): Fix clearing of
1868 cfun->eh->region_array entries.
1870 2006-05-01 DJ Delorie <dj@redhat.com>
1872 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
1874 (gcc_cv_objdump): Likewise.
1875 * configure: Regenerated.
1877 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
1880 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
1881 templates for case 3 and 4.
1883 2006-05-01 DJ Delorie <dj@redhat.com>
1885 * vec.c: Include bconfig.h when appropriate.
1886 * Makefile.in (build/vec.o): Adjust dependencies.
1887 * mkconfig.sh: Make sure config.h isn't used for build machine
1890 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1892 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
1894 (mark_phi_for_rewrite): New function.
1895 (insert_phi_nodes_for, mark_use_interesting): Call
1896 mark_phi_for_rewrite.
1897 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
1898 (update_ssa): Initialize and free phis_to_rewrite.
1900 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1902 PR rtl-optimization/27291
1903 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
1904 folded to a constant.
1906 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1908 PR tree-optimization/27283
1909 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
1910 not whole # of iteration descriptions.
1911 (niter_for_exit): Return just # of iterations. Fail if # of iterations
1912 uses abnormal ssa name.
1913 (niter_for_single_dom_exit): Ditto.
1914 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
1915 return just the number of iterations.
1917 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1919 PR tree-optimization/27144
1920 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
1921 (record_estimate): Only record constant upper bound.
1922 (infer_loop_bounds_from_undefined): Call
1923 compute_estimated_nb_iterations just once.
1924 (proved_non_wrapping_p): Renamed to ...
1925 (n_of_executions_at_most): ... this. Expect bound to be a constant.
1926 (convert_step_widening, scev_probably_wraps_p): Call
1927 n_of_executions_at_most instead of proved_non_wrapping_p.
1928 (substitute_in_loop_info): Do not replace values in bounds.
1929 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
1932 2006-05-01 Richard Henderson <rth@redhat.com>
1935 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
1936 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
1939 2006-05-01 Roger Sayle <roger@eyesopen.com>
1941 * c-typeck.c (parser_build_binary_op): Don't call the function
1942 unsigned_conversion_warning to spot operand/result type overflow.
1943 (build_binary_op): Instead, call convert_and_check instead of
1944 convert to report the problem when the operands are promoted.
1945 * c-common.c (unsigned_conversion_warning): Make static.
1946 * c-common.h (unsigned_conversion_warning): Delete prototype.
1948 2006-05-01 Richard Guenther <rguenther@suse.de>
1950 PR tree-optimization/26726
1951 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
1953 (find_interesting_uses_address): ... we work around here
1954 by folding INDIRECT_REFs in the substituted base.
1956 2006-05-01 Diego Novillo <dnovillo@redhat.com>
1958 * omp-low.c (dump_omp_region): Add newlines.
1960 2006-04-30 Roger Sayle <roger@eyesopen.com>
1962 * common.opt (Woverflow): New command line option.
1963 * c-common.c (constant_expression_warning): Check warn_overflow.
1964 (overflow_waring): Pass OPT_Woverflow to warning.
1965 (unsigned_conversion_warning): Likewise.
1966 (convert_and_check): Likewise.
1967 * doc/invoke.texi: Document new command line option.
1969 2006-04-30 David Edelsohn <edelsohn@gnu.org>
1971 * config/rs6000/rs6000.c (rs6000_override_options): Enable
1972 TARGET_NO_FP_IN_TOC for section anchors.
1973 (optimization_options): Enable section anchors for all
1974 non-"Objective" languages.
1976 2006-04-28 Eric Christopher <echristo@apple.com>
1978 * config/darwin-c.c (darwin_ms_struct): Move this
1979 (darwin_set_default_type_attributes): and this...
1980 * config/darwin.c: ... here.
1981 * config/darwin.h (darwin_ms_struct): Declare.
1983 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
1985 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
1987 2006-04-28 Roger Sayle <roger@eyesopen.com>
1990 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
1991 (push_array_bounds): Delete prototype. Change BOUNDS argument to
1992 an unsigned HOST_WIDE_INT.
1993 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
1995 (really_start_incremental_init): No need to call convert because
1996 bitsize_zero_node is already of type bitsizetype.
1997 (push_init_level): Extract the value of constructor_index as an
1998 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
1999 (process_init_element): Likewise.
2001 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
2003 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
2004 value before passing to make_relative_prefix.
2006 2006-04-28 Alan Modra <amodra@bigpond.net.au>
2009 * builtins.c (expand_builtin_memset): Expand val in original mode.
2011 2006-04-27 Eric Christopher <echristo@apple.com>
2013 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
2014 with #ifndef/#endif.
2015 * config/darwin-c.c (darwin_ms_struct): New.
2016 (darwin_pragma_ms_struct): Ditto.
2017 (darwin_set_default_type_attributes): Ditto.
2018 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
2019 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
2020 Register ms_struct pragma.
2021 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
2022 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
2023 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
2024 darwin_set_default_type_attributes if TARGET_MACHO.
2026 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
2028 PR tree-optimization/26854
2029 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
2030 * doc/tree-ssa.texi: Update immuse iterator documentation.
2031 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
2032 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
2033 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
2034 first_safe_imm_use, next_safe_imm_use): Remove.
2035 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
2036 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
2037 (move_use_after_head): New. Helper function to sort immuses in a stmt.
2038 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
2039 (first_imm_use_stmt): New. Get first stmt in an immuse list.
2040 (next_imm_use_stmt): New. Get next stmt in an immuse list.
2041 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
2042 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
2043 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
2044 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
2045 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
2046 (perfect_nestify): Use new iterator.
2047 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
2049 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
2050 (next_imm_name): New field in struct immediate_use_iterator_d.
2051 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
2052 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
2053 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
2054 * tree-cfg.c (replace_uses_by): Use new iterator.
2055 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
2056 * tree-ssa-operands.c (correct_use_link): Remove.
2057 (finalize_ssa_use_ops): No longer call correct_use_link.
2059 2006-04-27 Stuart Hastings <stuart@apple.com>
2061 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
2062 * config/t-darwin (crt3.o): Use it.
2063 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
2064 'pmode', use Pmode instead of SImode for SYMBOL_REF.
2065 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
2066 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
2067 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
2070 2006-04-27 Roger Sayle <roger@eyesopen.com>
2072 * expmed.c (store_fixed_bit_field): If we're not optimizing for
2073 size, force the intermediate into a new pseudo rather instead of
2074 performing both a bitwise AND and a bitwise IOR in memory.
2076 2006-04-27 Richard Guenther <rguenther@suse.de>
2078 PR rtl-optimization/26685
2079 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
2080 this one "max-flow-memory-locations".
2082 2006-04-27 Richard Guenther <rguenther@suse.de>
2084 PR tree-optimization/25148
2085 * tree-vrp.c (compare_values): Remove code dealing with
2086 comparisons against type min/max value. Honour overflow
2087 and negative constants in code dealing with comparisons
2088 of plus and minus expressions.
2089 (value_inside_range): Use fold_binary with LE_EXPR and
2090 GE_EXPR rather than compare_values.
2092 2006-04-27 Dirk Mueller <dmueller@suse.de>
2094 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
2097 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
2099 * basic-block.h (safe_insert_insn_on_edge): Removed.
2100 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
2102 2006-04-26 David Edelsohn <edelsohn@gnu.org>
2103 Paolo Bonzini <bonzini@gnu.org>
2106 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
2107 (simplify_and_const_int): Same.
2109 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
2111 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
2113 2006-04-26 Jakub Jelinek <jakub@redhat.com>
2116 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
2117 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
2118 cgraph_global_info_ready.
2121 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
2124 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
2125 either decl or init is error_mark_node.
2128 * tree-flow.h (struct omp_region): Add sched_kind.
2129 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
2130 instead of extracting omp for data.
2131 (expand_omp_for): Save extracted sched_kind.
2133 2006-04-25 Roger Sayle <roger@eyesopen.com>
2135 * expmed.c (store_bit_field): Also check whether the bitsize is
2136 valid for the machine's "insv" instruction before moving the
2137 target into a pseudo for use with the insv.
2138 * config/i386/predicates.md (const8_operand): New predicate.
2139 * config/i386/i386.md (extv, extzv, insv): Use the new
2140 const8_operand predicate where appropriate.
2142 2006-04-25 DJ Delorie <dj@redhat.com>
2144 * doc/install.texi (Specific): Clarify that this is not a list of
2145 supported hosts or targets.
2147 2006-04-25 Richard Sandiford <richard@codesourcery.com>
2149 PR rtl-optimization/26725
2150 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
2151 block's BB_DIRTY flag.
2153 2006-04-25 Geoffrey Keating <geoffk@apple.com>
2155 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
2158 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
2159 to print an integer.
2161 2006-04-25 David Edelsohn <edelsohn@gnu.org>
2163 * varasm.c (align_variable): New function.
2164 (get_block_for_decl): Apply align_variable to DECL before
2165 calculating section information.
2166 (assemble_variable): Split out alignment computation.
2168 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
2170 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
2173 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
2175 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
2176 MODE_PARTIAL_INT mode.
2177 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
2178 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
2180 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
2181 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
2183 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
2185 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
2187 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
2188 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
2189 MACFLAG_IH): Likewise.
2190 (movstricthi_1): Renamed from "*movstricthi".
2191 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
2192 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
2193 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
2194 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
2195 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
2196 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
2197 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
2198 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
2199 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
2200 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
2201 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
2202 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
2203 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
2204 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
2205 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
2207 * doc/rtl.texi (ss_ashift): Improve wording.
2209 2006-04-24 Geoffrey Keating <geoffk@apple.com>
2211 * dwarf2out.c (verify_marks_clear): New.
2212 (prune_unused_types): Call verify_marks_clear initially, not
2215 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
2217 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
2218 * doc/rtl.texi: Document them.
2219 * simplify-rtx.c (simplify_unary_operation,
2220 simplify_binary_operation_1): Don't abort when we see them.
2222 2006-04-24 Mark Mitchell <mark@codesourcery.com>
2225 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2226 * configure.ac: Completely disregard languages that are not
2228 * configure: Regenerated.
2230 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2231 Richard Guenther <rguenther@suse.de>
2233 PR tree-optimization/27236
2234 * tree-inline.c (copy_body_r): Make sure to copy
2235 TREE_THIS_VOLATILE flag.
2237 2006-04-24 Richard Guenther <rguenther@suse.de>
2240 * tree-complex.c (update_parameter_components): Don't handle
2241 unused parameters which have no default def.
2243 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2244 Richard Guenther <rguenther@suse.de>
2246 PR tree-optimization/27218
2247 * tree-inline.c (expand_call_inline): Strip useless type
2248 conversions for the return slot address.
2250 2006-04-24 Richard Guenther <rguenther@suse.de>
2252 * cfgloop.h (struct loops): Remove unused field array. Reorder
2254 (LOOP_PREFETCH): Remove.
2256 2006-04-24 Richard Guenther <rguenther@suse.de>
2258 PR tree-optimization/22525
2259 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
2260 variable, adjust types of generated expressions.
2262 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
2264 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
2265 (tree-vect-patterns.o): Likewise.
2267 (cselib.o): Likewise.
2268 (loop-doloop.o): Likewise.
2269 (regclass.o): Likewise.
2270 (reload1.o): Likewise.
2271 (explow.o): Replace target.h with $(TARGET_H).
2272 (ipa-prop.o): Likewise.
2273 (ipa-cp.o): Likewise.
2274 (ipa-inline.o): Likewise.
2275 (reorg.o): Likewise.
2276 (reg-stack.o): Likewise.
2278 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2280 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
2282 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2284 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
2286 * configure.ac: Completely disregard languages that are not
2288 * configure: Regenerated.
2291 * c-common.h (c_build_bitfield_integer_type): Declare.
2292 * c-decl.c (c_build_bitfield_integer_type): Move to ...
2293 * c-common.c (c_build_bitfield_integer_type): ... here.
2295 2006-04-23 Roger Sayle <roger@eyesopen.com>
2298 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
2299 a SImode SUBREG of a floating point register after no_new_pseudos.
2301 2006-04-23 Roger Sayle <roger@eyesopen.com>
2303 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
2304 identify potentially eliminable registers to additionally catch
2305 VIRTUAL_INCOMING_ARGS_REGNUM.
2306 (addsi3): Update the conditions on when to use addsi_small_int.
2308 2006-04-23 Roger Sayle <roger@eyesopen.com>
2311 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
2312 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
2313 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
2315 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2317 * fold-const.c (range_predecessor): Use operand_equal_p
2318 as the predicate for equality.
2319 (range_successor): Likewise.
2321 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2324 * config/soft-fp/op-common.h: Fix a typo.
2326 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
2329 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
2330 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
2332 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2334 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
2336 * doc/tm.texi: Fix a typo.
2338 2006-04-21 Geoffrey Keating <geoffk@apple.com>
2340 * dwarf2out.c (struct die_struct): Document that die_sib makes
2341 a circular linked list.
2342 (FOR_EACH_CHILD): New.
2343 (reverse_die_lists): Delete.
2344 (reverse_all_dies): Delete.
2345 (add_dwarf_attr): Correct documentation.
2346 (remove_child_with_prev): New.
2347 (remove_child_TAG): Update for change to die_struct, use
2348 remove_child_with_prev.
2349 (add_child_die): Update for change to die_struct.
2350 (splice_child_die): Use remove_child_with_prev and add_child_die.
2351 (print_die): Use FOR_EACH_CHILD.
2352 (die_checksum): Likewise.
2353 (assign_symbol_names): Likewise.
2354 (output_location_lists): Likewise.
2355 (build_abbrev_table): Likewise.
2356 (calc_die_sizes): Likewise.
2357 (mark_dies): Likewise.
2358 (unmark_dies): Likewise.
2359 (unmark_all_dies): Likewise.
2360 (output_die): Likewise.
2361 (prune_unused_types_mark): Likewise.
2362 (prune_unused_types_walk): Likewise.
2363 (same_die_p): Update for change to die_struct.
2364 (break_out_includes): Likewise.
2365 (prune_unused_types_prune): Likewise.
2366 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
2367 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
2369 (dwarf2out_finish): Don't call reverse_all_dies.
2371 2006-04-21 Eric Christopher <echristo@apple.com>
2373 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
2374 in comments and function names.
2376 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2379 * c-typeck.c (digest_init): Robustify.
2381 * c-typeck.c (pop_init_level): Simplify.
2383 2006-04-21 Steve Ellcey <sje@cup.hp.com>
2385 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
2387 2006-04-21 Paul Brook <paul@codesourcery.com>
2389 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
2390 hardware floating point.
2392 2006-04-21 David Edelsohn <edelsohn@gnu.org>
2394 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
2397 2006-04-21 Nick Clifton <nickc@redhat.com>
2399 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
2402 2006-04-21 Alan Modra <amodra@bigpond.net.au>
2405 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
2406 C++ lang type in traceback table for Objective-C++.
2408 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
2410 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
2412 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
2414 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2417 * tree-mudflap.c (mudflap_finish_file): Skip function when there
2418 were errors. Remove check for erroneous objects.
2420 2006-04-20 Jeff Law <law@redhat.com>
2422 PR tree-optimization/26854
2423 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
2424 checking for zero or one use.
2425 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
2426 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
2427 * tree-ssa-reassoc.c (negate_value): Similarly.
2428 (reassociate_bb): Similarly.
2430 2006-04-20 Jakub Jelinek <jakub@redhat.com>
2432 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
2433 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
2434 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
2436 2006-04-20 Alan Modra <amodra@bigpond.net.au>
2438 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
2439 fp regs if the last fp arg doesn't fit in regs.
2441 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
2444 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
2445 that the last insn has the REG_INC note.
2447 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
2448 Nathan Sidwell <nathan@codesourcery.com>
2451 * stor-layout.c (update_alignment_for_field): Do not align
2453 (place_union_field): Place union field at the start of the union.
2454 (place_field): Move ERROR_MARK check later, and use the current
2455 allocation position to maintain monotonicity.
2457 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
2459 * dominance.c: Include timevar.h.
2460 (calculate_dominance_info): Use TV_DOMINANCE.
2461 * timevar.def (TV_DOMINANCE): New timevar.
2462 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
2464 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2466 PR rtl-optimization/14261
2467 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
2468 move would be an INSV insn.
2469 (noce_process_if_block): Don't optimize if the destination is a
2470 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
2472 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2474 * config/s390/s390.md: Add comments with the instructions emitted
2475 by an insn pattern if macros are used.
2477 2006-04-19 Alan Modra <amodra@bigpond.net.au>
2479 PR rtl-optimization/26026
2480 * fold-const.c (fold_binary): Optimize div and mod where the divisor
2481 is a known power of two shifted left a variable amount.
2483 2006-04-18 Geoffrey Keating <geoffk@apple.com>
2485 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
2486 to hash table twice when the debug_str section has SECTION_MERGE.
2488 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
2490 * config/soft-fp: New directory. From glibc.
2491 * config/soft-fp/t-softfp: New.
2492 * config/soft-fp/README: New.
2493 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
2494 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
2495 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
2496 (LIBGCC_DEPS): Add $(SFP_MACHINE).
2497 * config.gcc: Use rs6000/t-fprules-fpbit or
2498 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
2500 * config/rs6000/sfp-machine.h: New. Based on glibc.
2501 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
2503 * config/rs6000/t-fprules: Remove fp-bit rules.
2504 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
2505 * config/rs6000/t-linux64: Likewise. Remove duplicates from
2506 LIB2FUNCS_EXTRA. Remove fp-bit rules.
2507 (softfp_wrap_start, softfp_wrap_end): New.
2509 2006-04-18 DJ Delorie <dj@redhat.com>
2511 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
2513 2006-04-18 Devang Patel <dpatel@apple.com>
2515 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
2517 2006-04-18 Nick Clifton <nickc@redhat.com>
2519 * config/sh/t-symbian: Add rule to build sh-c.o
2520 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
2521 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
2522 (sh_symbian_encode_section_info): Likewise.
2524 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
2526 * builtins.c (expand_builtin_strcmp): Cover label definition of
2527 do_libcall with HAVE_cmpstrnsi.
2529 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
2531 * function.c (temp_slots_at_level, max_slot_level): Use VEC
2533 * function.h (temp_slot_p): New.
2534 (function): Change the type of x_used_temp_slots to
2535 VEC(temp_slot_p,gc) *.
2537 2006-04-18 Nick Clifton <nickc@redhat.com>
2539 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
2540 flag_strength_reduce.
2542 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
2544 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2548 Partial revert of revision 112637
2549 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2550 Dale Johannesen <dalej@apple.com>
2553 * regclass.c (struct reg_pref): Update documentation.
2554 (regclass): Set prefclass to NO_REGS if memory is the best option.
2555 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2557 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2559 PR tree-optimization/26821
2560 * tree-ssa-math-opts.c (get_constant_one): New.
2561 (insert_reciprocals): Use it.
2563 2006-04-17 Geoffrey Keating <geoffk@apple.com>
2565 * dwarf2out.c (free_AT): Delete.
2566 (remove_AT): Update string ref counts.
2567 (remove_child_TAG): Don't call free_die.
2569 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
2570 or DW_TAG_GNU_EINCL.
2571 (prune_unused_types_walk_attribs): Reset string refcounts.
2572 (prune_unused_types_update_strings): New.
2573 (prune_unused_types_prune): Don't make unnecessary stores. Don't
2574 call free_die. Do call prune_unused_types_update_strings.
2575 (prune_unused_types): Empty debug_str_hash.
2577 2006-04-17 Roger Sayle <roger@eyesopen.com>
2579 * expr.c (expand_assignment): Optimize away no-op moves where the
2580 source and destination are equal and have no side-effects.
2582 2006-04-17 Richard Guenther <rguenther@suse.de>
2585 * reload.c (push_reload): Guard calls to get_secondary_mem
2588 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
2590 * alias.c (reg_base_value, old_reg_base_value): Change the
2591 type to VEC(rtx,gc) *.
2592 (REG_BASE_VALUE, find_base_value, record_set,
2593 init_alias_analysis): Use VEC instead of VARRAY.
2595 * alias.c (alias_sets): Change the type to
2596 VEC(alias_set_entry,gc) *.
2597 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
2598 VEC instead of VARRAY.
2599 (last_alias_set): Remove.
2601 * cgraph.h (cgraph_edge_p): New.
2602 Update the prototype of cgraph_function_versioning.
2603 * cgraphunit.c (cgraph_copy_node_for_versioning,
2604 cgraph_function_versioning): Use VEC instead of VARRAY.
2605 * ipa-cp.c (ipcp_insert_stage): Likewise.
2607 2006-04-16 Roger Sayle <roger@eyesopen.com>
2610 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
2611 "A op B" or "A op C", we may need to convert A to the type of B and C.
2613 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
2615 * target.h (struct gcc_target): Add mode_rep_extended.
2616 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
2617 (init_num_sign_bit_copies_in_rep): Initialize it using
2619 (truncate_to_mode): Use it.
2620 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
2621 * targhooks.h (default_mode_rep_extended): Declare it.
2622 * targhooks.c (default_mode_rep_extended): Define it.
2623 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
2624 default_mode_rep_extended.
2625 (TARGET_INITIALIZER): Include it.
2626 * doc/tm.texi (Misc): Document it.
2627 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
2628 (mips_truncated_to_mode): New function.
2630 2006-04-16 Roger Sayle <roger@eyesopen.com>
2633 * expr.c (compress_float_constant): Copy the narrow constant into
2634 a new pseudo before extending it to its final width.
2636 2006-04-16 Roger Sayle <roger@eyesopen.com>
2637 Andrew Pinski <pinskia@gcc.gnu.org>
2638 Dale Johannesen <dalej@apple.com>
2641 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
2642 special case code to implement V8HImode and V16QImode with SSE2.
2644 2006-04-15 Roger Sayle <roger@eyesopen.com>
2646 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
2647 trees are constructed with a suitable tree type.
2649 2006-04-15 Roger Sayle <roger@eyesopen.com>
2651 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
2652 (integer_onep): Likewise.
2653 (integer_all_onesp): Likewise.
2654 (integer_pow2p): Likewise.
2655 (integer_nonzerop): Likewise.
2656 (real_zerop): Likewise.
2657 (real_onep): Likewise.
2658 (real_twop): Likewise.
2659 (real_minus_onep): Likewise.
2660 (int_size_in_bytes): Likewise.
2661 (host_integerp): Likewise.
2663 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
2665 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
2666 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
2667 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
2669 * tree-ssa-structalias.h (alias_info): Remove num_references.
2671 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2673 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
2674 (output_bvb patterns): Likewise.
2675 * pa.c (output_bb): Use 'bb' insn for long branch case.
2676 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
2677 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
2678 1. Correct length operand for alternatives 1 and 2.
2679 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
2680 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
2682 2006-04-14 Roger Sayle <roger@eyesopen.com>
2684 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
2685 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
2686 were accidentally reverted by r112959.
2688 2006-04-15 Jakub Jelinek <jakub@redhat.com>
2691 * except.h (eh_region_outermost): New prototype.
2692 * except.c (eh_region_outermost): New function.
2693 * tree-cfg.c (find_outermost_region_in_block): Use it.
2695 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2697 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
2699 * reload1.c (reg_equiv_memory_loc_varray): Rename to
2700 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
2701 (init_reload, reload): Use VEC instead of VARRAY.
2702 * reload.h: Update the prototype for
2703 reg_equiv_memory_loc_varray.
2705 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
2706 Eric Botcazou <ebotcazou@libertysurf.fr>
2708 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
2711 2005-04-13 Uros Bizjak <uros@kss-loka.si>
2714 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
2715 to expand fallback builtin function call.
2717 2006-04-14 Alan Modra <amodra@bigpond.net.au>
2720 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
2721 and emit libcall here in case the builtin fails.
2722 (expand_builtin_strcmp): Always emit the libcall here on failure.
2724 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2726 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
2727 * flow.c (reg_n_info): Change the type to
2728 VEC(reg_info_p,heap) *.
2729 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
2731 * regs.h (reg_info_p): New.
2732 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
2733 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
2734 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
2737 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
2739 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
2741 * params.h (MAX_SCHED_READY_INSNS): New macro.
2742 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
2743 past MAX_SCHED_READY_INSNS during the first scheduling pass.
2744 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
2745 the ready list for 1 cycle during the first scheduling pass.
2746 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
2748 2006-04-13 Richard Henderson <rth@redhat.com>
2751 * gimple-low.c (lower_omp_directive): Remove dead code.
2752 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
2753 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
2754 * omp-low.c (struct omp_region): Move to tree-flow.h.
2755 (root_omp_region): Export.
2756 (omp_regions, lookup_omp_region): Remove.
2757 (determine_parallel_type): Update for struct omp_region changes.
2758 (dump_omp_region): Dump regions with block numbers.
2759 (new_omp_region): Take type and block instead of stmt; malloc
2761 (free_omp_region_1, free_omp_regions): New.
2762 (expand_parallel_call): Take entry_stmt as argument; update for
2763 changes to omp_region.
2764 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
2765 (remove_exit_barriers): New.
2766 (expand_omp_parallel): Update for struct omp_region changes.
2767 (expand_omp_synch): Likewise.
2768 (expand_omp): Likewise.
2769 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
2770 (expand_omp_for_static_chunk): Likewise.
2771 (expand_omp_for): Likewise.
2772 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
2773 (expand_omp_sections): Similarly, with GOMP_sections_end.
2774 (expand_omp_single): New.
2775 (build_omp_regions_1): Update for OMP_CONTINUE.
2776 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
2777 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
2778 OMP_SECTIONS_SECTIONS.
2779 (lower_omp_single_simple): Don't emit barrier here.
2780 (lower_omp_single_copy): Likewise.
2781 (lower_omp_single): Fix bindings, and lower to straightline now.
2782 (lower_omp_master, lower_omp_ordered): Likewise.
2783 (lower_omp_critical): Likewise.
2784 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
2785 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
2786 omp edges, free it afterward.
2787 (make_omp_sections_edges): Remove.
2788 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
2789 (move_stmt_r): Handle OMP_CONTINUE.
2790 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
2791 statement pointers to basic blocks. Add type member.
2792 (root_omp_region, new_omp_region, free_omp_regions): Declare.
2793 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
2794 * tree-inline.c (estimate_num_insns_1): Likewise.
2795 * tree-pretty-print.c (dump_generic_node): Likewise.
2796 * tree-ssa-operands.c (get_expr_operands): Likewise.
2797 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
2798 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
2799 (OMP_CONTINUE): New.
2800 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
2801 (OMP_SECTIONS_SECTIONS): Remove.
2802 (OMP_SECTION_LAST): New.
2803 (OMP_RETURN_NOWAIT): New.
2805 2006-04-13 Roger Sayle <roger@eyesopen.com>
2807 * fold-const.c (native_encode_vector, native_interpret_real):
2808 Correct obvious mistakes in the previous check-in.
2810 2006-04-13 Roger Sayle <roger@eyesopen.com>
2812 * fold-const.c (native_encode_expr): New function to encode
2813 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
2814 or VECTOR_CST into a specified buffer.
2815 (native_encode_int): New function.
2816 (native_encode_real): New function.
2817 (native_encode_complex): New function.
2818 (native_encode_vector): New function.
2819 (native_interpret_expr): Inverse of native_encode_expr to convert
2820 a target representation into an INTEGER_CST, REAL_CST etc...
2821 (native_interpret_int): New function.
2822 (native_interpret_real): New function.
2823 (native_interpret_complex): New function.
2824 (native_interpret_vector): New function.
2825 (fold_view_convert_expr): New function to constant fold/evaluate
2826 a VIEW_CONVERT_EXPR of a suitable constant expression.
2827 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
2828 Change call of build1 to fold_build1 when constructing a
2831 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
2832 Ulrich Weigand <uweigand@de.ibm.com>
2835 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
2838 2006-04-13 Alan Modra <amodra@bigpond.net.au>
2841 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
2842 optimize to lo_sum for DFmode if !TARGET_FPRS.
2844 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2846 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
2847 delete_alias_info, compute_flow_sensitive_aliasing,
2848 group_aliases): Use VEC instead of VARRAY.
2849 * tree-ssa-structalias.c (update_alias_info): Likewise.
2850 * tree-ssa-structalias.h (alias_info): Change the type of
2851 processed_ptrs to VEC(tree,heap) *.
2853 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
2856 * config/sh/lib1funcs.h: New file, broken out of:
2857 * config/sh/lib1funcs.asm.
2858 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
2860 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
2861 * config/sh/lib1funcs-Os-4-200.asm: New file.
2862 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
2863 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
2864 (EXTRA_MULTILIB_PARTS): Include it.
2865 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
2866 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
2867 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
2868 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
2871 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2873 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
2874 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
2875 tpa_compact, root_var_init, type_var_init): Use VEC instead of
2877 * tree-ssa-live.h: Include vecprim.h.
2878 (tree_partition_associator_d): Change the type of
2879 first_partition to VEC(int,heap) *.
2880 (tpa_first_partition): Use VEC instead of VARRAY.
2882 * Makefile.in (GTFILES): Move functions.h after tree.h.
2883 * function.c (reset_block_changes, record_block_change,
2884 check_block_change, free_block_changes): Use VEC instead of
2886 * function.h (function): Change the type of
2887 ib_boundaries_block to VEC(tree,gc) *.
2888 * tree-inline.c (copy_cfg_body): Initialize
2889 ib_boundaries_block to NULL instead of (varray_type) 0.
2891 2006-04-12 Roger Sayle <roger@eyesopen.com>
2893 * expr.c (emit_group_store): Correct operand order in call to
2894 subreg_lowpart_offset. Always create paradoxical SUBREGs with
2895 a SUBREG_BYTE of zero.
2897 2006-04-12 Richard Guenther <rguenther@suse.de>
2899 * profile.c (compute_branch_probabilities): Remove code
2900 encapsulated in !ir_type (), which are remanents of the
2901 removed RTL profiling code.
2902 * rtl-profile.c: Remove.
2904 2006-04-12 Alan Modra <amodra@bigpond.net.au>
2906 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
2907 magic NULL_RTX comment.
2908 (function_arg): Store entire fp arg to mem if any part should go
2910 (rs6000_arg_partial_bytes): Adjust for above change.
2912 2006-04-11 Roger Sayle <roger@eyesopen.com>
2914 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
2915 if it hasn't been initialized by dwarf2out_init.
2917 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
2919 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
2920 symbolic constants in branch patterns.
2922 2006-04-11 Roger Sayle <roger@eyesopen.com>
2924 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
2926 2006-04-11 Richard Sandiford <richard@codesourcery.com>
2928 PR rtl-optimization/27073
2929 * gcse.c (try_replace_reg): Revert last change. Continue to search
2930 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
2933 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2935 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
2936 aggregate types other than record and union types.
2937 (function_arg): Likewise.
2938 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
2940 (function_value): In 64-bit mode, return objects that require it
2943 2006-04-11 Roger Sayle <roger@eyesopen.com>
2945 * dwarf2out.c (premark_used_types): Remove problematic prototype.
2947 2006-04-11 Jakub Jelinek <jakub@redhat.com>
2949 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
2951 2006-04-03 Jeff Law <law@redhat.com>
2954 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
2955 alias information too.
2957 2006-04-10 Mike Frysinger <vapier@gentoo.org>
2959 * Makefile.in (gcc-cross): Add $(exeext) to target name.
2961 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
2964 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
2965 (premark_used_types_helper): New.
2966 (premark_used_types): New.
2967 (gen_subprogram_die): Call premark_used_types.
2968 (prune_unused_types_walk): Do not prune perennial dies.
2969 * function.c (used_types_insert): New.
2970 * function.h (struct function): Add used_types_hash field.
2971 (used_types_insert): Add prototype.
2972 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
2973 * c-parser.c (c_parser_cast_expression): Save casted types in used
2976 2006-04-11 Mark Mitchell <mark@codesourcery.com>
2979 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
2980 rs6000_explicit_options.float_gprs.
2982 2006-04-10 Roger Sayle <roger@eyesopen.com>
2984 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
2985 from ix86_expand_vector_init_low_nonzero. Take an additional
2986 one_var argument indicating which element is non-zero. Support
2987 one_var != 0 for V4SFmode and V4SImode by permuting the result.
2988 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
2989 with one_var instead of ix86_expand_vector_init_low_nonzero.
2991 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
2993 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
2994 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
2995 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
2996 build/genextract.o): Depend on vecprim.h.
2997 * cfglayout.c, df-problems.c, function.c, genextract.c,
2998 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
2999 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
3003 2006-04-10 Geoffrey Keating <geoffk@apple.com>
3005 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
3006 Declare VECs of this type.
3007 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
3008 (remove_children): Delete.
3009 (add_dwarf_attr): Use VEC routines.
3010 (add_AT_flag): Update for changes to add_dwarf_attr.
3011 (add_AT_int): Likewise.
3012 (add_AT_unsigned): Likewise.
3013 (add_AT_long_long): Likewise.
3014 (add_AT_vec): Likewise.
3015 (add_AT_string): Likewise.
3016 (add_AT_die_ref): Likewise.
3017 (add_AT_fde_ref): Likewise.
3018 (add_AT_loc): Likewise.
3019 (add_AT_loc_list): Likewise.
3020 (add_AT_addr): Likewise.
3021 (add_AT_lbl_id): Likewise.
3022 (add_AT_lineptr): Likewise.
3023 (add_AT_macptr): Likewise.
3024 (add_AT_offset): Likewise.
3025 (add_AT_range_list): Likewise.
3026 (get_AT): Use VEC_iterate.
3027 (remove_AT): Use VEC_ordered_remove.
3028 (free_die): Fold remove_children into here; have it use VEC_iterate.
3029 (print_die): Use VEC_iterate on attrs.
3030 (reverse_die_lists): Don't reverse attr lists.
3031 (die_checksum): Use VEC_iterate on attrs.
3032 (same_die_p): Likewise.
3033 (output_location_lists): Likewise.
3034 (build_abbrev_table): Likewise.
3035 (size_of_die): Likewise.
3036 (unmark_all_dies): Likewise.
3037 (output_abbrev_section): Likewise.
3038 (output_die): Likewise.
3039 (prune_unused_types_walk_attribs): Likewise.
3041 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3043 * doc/install.texi (*-*-solaris2*): Point to the configure page.
3045 2006-04-10 Jakub Jelinek <jakub@redhat.com>
3048 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
3050 2006-04-09 Roger Sayle <roger@eyesopen.com>
3052 * expr.c (store_constructor): Don't bother clearing target if
3053 we're about to assign a vector to it using vec_init_optab.
3055 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
3057 * tree-ssa-alias.c (lhs_may_store_to): New function.
3058 (recalculate_used_alone): Handle LHS of calls.
3060 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3064 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
3065 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
3066 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
3067 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
3068 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
3069 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
3070 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
3071 stubs. Add ".align 8" directives before all ".dword" directives.
3072 (GTHREAD_USE_WEAK): Revise comment.
3073 (TARGET_ATTRIBUTE_WEAK): Define.
3074 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
3075 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
3076 * stublib.c: New file.
3081 * pa.md (cbranch patterns): Revise arguments used in calls to
3082 output_cbranch, output_bb and output_bvd. Add long branch length
3084 (fbranch patterns): Handle long branches.
3085 (jump): Revise length check. Revise arguments for output_lbranch call.
3086 Add long branch length attributes.
3087 (decrement_and_branch_until_zero): Add long branch length attributes.
3088 (output_movb, output_parallel_addb and output_parallel_movb patterns):
3089 Likewise. Revise arguments for output_parallel_addb and
3090 output_parallel_movb calls.
3091 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
3092 output_parallel_movb and output_parallel_addb): Update prototypes.
3093 * pa.c (output_cbranch): Revise arguments. Correct handling of
3094 nullification in long branches.
3095 (output_lbranch): Add new argument to control extraction of delay
3097 (output_bb): Handle long branches.
3098 (output_bvb, output_dbra, output_movb, output_parallel_movb,
3099 output_parallel_addb): Likewise.
3101 2006-04-09 Richard Sandiford <richard@codesourcery.com>
3103 PR rtl-optimization/27073
3104 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
3107 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
3109 * tree.h (tree_memory_tag): Add old_used_alone.
3110 (SMT_OLD_USED_ALONE): New macro.
3111 * tree-ssa-alias.c (recalculate_used_alone): Stop
3112 marking things for renaming unnecessarily.
3114 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
3116 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
3117 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
3118 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
3119 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
3120 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
3121 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
3122 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
3123 spelling convensions.
3124 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
3125 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
3126 typos. Follow spelling conventions.
3128 2006-04-07 DJ Delorie <dj@redhat.com>
3130 * config/m32c/m32c.c (m32c_function_arg): Structures are always
3131 passed on the stack.
3132 (m32c_init_cumulative_args): When a function returns a structure,
3133 always pass the pointer to that return area on the stack.
3134 (m32c_function_arg_advance): Don't increment the parameter number
3135 if we're processing the returned structure pointer.
3136 (pushm_info): Reverse order of registers.
3138 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
3140 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
3141 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3142 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
3143 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
3145 * tree-chrec.c (chrec_fold_multiply_poly_poly,
3146 chrec_fold_multiply): Same.
3147 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
3148 force_expr_to_var_cost): Same.
3149 * tree-mudflap.c (mf_xform_derefs_1): Same.
3150 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
3152 2006-04-07 David Edelsohn <edelsohn@gnu.org>
3154 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
3155 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
3158 2006-04-07 Jan Hubicka <jh@suse.cz>
3160 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
3162 2006-04-07 Richard Guenther <rguenther@suse.de>
3164 PR tree-optimization/26135
3165 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
3166 loads for store copy-prop.
3167 (copy_prop_visit_stmt): Likewise.
3169 2006-04-05 Robert Millan <robertmh@gnu.org>
3171 * config/i386/linux.h: Add a comment to mark macros that are
3172 being overriden in config/k*bsd-gnu.h.
3173 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
3175 * config/knetbsd-gnu.h: Ditto.
3177 2006-04-06 Jan Hubicka <jh@suse.cz>
3181 * coverage.c (coverage_checksum_string): Reorganize loop to not read
3184 2006-04-06 Mike Stump <mrs@apple.com>
3186 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
3187 for HAVE_nonlocal_goto to be consistent.
3188 (expand_builtin_nonlocal_goto): Likewise.
3189 (expand_builtin_strcmp): Use #ifdef instead of #if
3190 for HAVE_cmpstrnsi to be consistent.
3192 2006-04-05 DJ Delorie <dj@redhat.com>
3194 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
3197 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
3199 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
3200 got-relative addressing for anything but SImode.
3202 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
3203 even if the calling function doesn't modify them.
3205 2006-04-05 Richard Guenther <rguenther@suse.de>
3207 PR tree-optimization/26919
3208 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
3209 to cgraph_estimate_size_after_inlining.
3211 2006-04-05 Alan Modra <amodra@bigpond.net.au>
3213 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
3215 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
3217 PR tree-optimization/26996
3218 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
3219 VECTOR_TYPE variables.
3221 2006-04-05 Richard Guenther <rguenther@suse.de>
3223 PR tree-optimization/26763
3224 * fold-const.c (fold_comparison): Move folding of
3225 PTR + CST CMP PTR + CST ...
3226 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
3228 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
3230 * doc/install.texi (Prerequisites): Refine some wording on
3231 bootstrapping and ksh.
3232 Move the version numbers of DejaGnu here from the testing section
3233 and fix casing of names.
3234 Fix markup and clarify wording for autogen requirements.
3235 Refer to GCJ instead of just java.
3236 Refer to SVN instead of CVS.
3237 Describe diffutils as useful instead of necessary.
3238 (Downloading the source): Refer to SVN instead of CVS.
3239 Adjust a link to our web site accordingly.
3240 (Configuration): Fix casing of Bison.
3241 (Building): Refer to SVN instead of CVS.
3242 Fix a sentence on the use of Bison and remove duplicate (and
3243 incorrect) version number of Bison requirement.
3244 Remove one redundant list of packages needed for building.
3245 (Specific): Avoid reference to CVS.
3247 2006-04-04 Eric Christopher <echristo@apple.com>
3249 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
3250 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
3251 (rs6000_handle_struct_attribute): New.
3252 (rs6000_ms_bitfield_layout_p): Ditto.
3254 2006-04-04 Geoffrey Keating <geoffk@apple.com>
3256 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
3257 NULL for dso parameter to atexit_common.
3259 2006-04-04 Eric Christopher <echristo@apple.com>
3261 * config/i386/i386.c (machopic_output_stub): Output \t
3262 between instructions and operands.
3264 2006-04-04 David Edelsohn <edelsohn@gnu.org>
3266 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
3267 satisfies_constraint_[IL] to explicit tests on value.
3269 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
3271 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3272 set_nb_iterations_in_loop): Use build_int_cst instead of
3274 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
3275 build_int_cst instead of convert.
3277 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
3279 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
3280 new value 2 for incoming.
3281 * function.c (expand_function_start): Call struct_value_rtx
3283 * config/sparc/sparc.md: Comment updated_return.
3284 * config/sparc/sparc.opt: Add -mstd-struct-return option.
3285 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
3286 struct return if sparc_std_struct_return and incoming is 2.
3287 (print_operand): Do not adjust return if
3288 sparc_std_struct_return.
3290 2006-04-04 Roger Sayle <roger@eyesopen.com>
3292 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
3293 convert in the middle-end.
3294 * expr.c (store_expr, store_constructor, get_inner_reference,
3295 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
3297 * tree.c (build_range_type): Likewise.
3299 2006-04-04 Tom Tromey <tromey@redhat.com>
3301 * doc/install.texi (Prerequisites): Mention jar.
3303 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
3305 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
3308 2006-04-04 Matthias Klose <doko@debian.org>
3310 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
3311 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
3314 2006-04-03 Geoffrey Keating <geoffk@apple.com>
3316 * doc/extend.texi (Function Attributes): Rewrite visibility
3317 attribute documentation.
3318 * doc/invoke.texi (C++ Dialect Options): Rewrite
3319 -fvisibility-inlines-hidden documentation to describe something
3320 entirely different, although in practise compatible.
3321 (Code Gen Options): Warn about system headers in -fvisibility=
3324 * doc/extend.texi (Other Builtins): Document that
3325 __builtin_nan is a compile-time constant only when its argument
3328 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
3330 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
3331 trying to remove TRUNCATE check if all bits outside the new mode
3332 are identical to the sign bit.
3334 2006-04-03 Jeff Law <law@redhat.com>
3336 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
3337 and operand scanning in some common cases.
3339 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3340 Dale Johannesen <dalej@apple.com>
3343 * regclass.c (struct reg_pref): Update documentation.
3344 (regclass): Set prefclass to NO_REGS if memory is the best option.
3345 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3346 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
3347 into account. For non-registers, equate an empty preferred
3348 reload class to a `!' in the constraint; move the if clause to
3349 do so after those that reject the insn.
3350 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
3352 (find_dummy_reload): Likewise.
3353 * doc/tm.texi (Register Classes): Document what it means
3354 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
3355 * config/i386/i386.c (ix86_preferred_reload_class): Force
3356 using SSE registers (and return NO_REGS for floating-point
3357 constants) if math is done with SSE.
3358 (ix86_preferred_output_reload_class): New.
3359 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
3360 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
3361 * config/i386/i386.md: Remove # register preferences.
3363 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3366 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3367 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
3368 the type of nb_iter.
3369 (instantiate_parameters_1): Convert the operands before calling
3370 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
3371 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
3373 2006-04-02 Roger Sayle <roger@eyesopen.com>
3375 * builtins.c (dummy_object): Use build_int_cst instead of convert.
3376 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
3378 * dojump.c (do_jump): Likewise.
3379 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
3380 * gimplify.c (gimple_boolify, gimplify_init_constructor,
3381 gimplify_boolean_expr): Likewise.
3382 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3383 * varasm.c (array_size_for_constructor): Likewise.
3384 * tree-object-size.c (compute_object_offset): Likewise.
3386 2006-04-02 Roger Sayle <roger@eyesopen.com>
3389 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
3390 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
3392 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3394 PR tree-optimization/26939
3395 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
3397 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3399 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
3400 at_stmt. Convert the type of operands before calling
3401 build_polynomial_chrec.
3402 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
3404 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
3405 (instantiate_parameters_1): Convert the type of operands before calling
3406 build_polynomial_chrec.
3407 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
3408 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
3409 reset_evolution_in_loop): Insert asserts to check the types of the
3411 (chrec_type): Moved...
3412 (eq_evolutions_p): Use operand_equal_p.
3413 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
3414 the types of the operands.
3415 (chrec_type): ...here.
3416 * tree-data-ref.c (create_data_ref): Convert the operands before
3417 calling chrec_replace_initial_condition.
3418 (same_access_functions, analyze_subscript_affine_affine,
3419 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
3420 (compute_subscript_distance, analyze_ziv_subscript,
3421 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
3422 analyze_miv_subscript): Convert the operands before calling
3423 chrec_fold_minus or chrec_fold_plus.
3425 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3427 * tree-data-ref.c (compute_all_dependences): Use a pointer to
3428 the dependence_relations vector.
3429 (compute_data_dependences_for_loop): Adjust call to
3430 compute_all_dependences.
3432 2006-04-01 Roger Sayle <roger@eyesopen.com>
3433 Richard Henderson <rth@redhat.com>
3435 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
3436 gimple_boolify on the condition before calling gimplify_expr.
3438 2006-03-31 Bob Wilson <bob.wilson@acm.org>
3440 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
3441 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
3442 the frame size. Update to use the new macros.
3443 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
3444 * config/xtensa/ieee754-df.S: Likewise.
3446 2006-03-31 Richard Henderson <rth@redhat.com>
3448 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
3449 (make_edges): ... here. Control fallthru creation with a local
3450 variable. Do not play with fake edges.
3451 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
3452 (make_goto_expr_edges): Don't play with fake edges. Make for_call
3455 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
3457 * dwarf2.h (DW64_CIE_ID): Define.
3458 * dwarf2out.c (DWARF_CIE_ID): Define.
3459 (output_call_frame_info): Output 0xffffffff before standard 8-byte
3460 length header. Use DWARF_CIE_ID.
3461 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
3462 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
3464 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
3466 * config/sh/linux-atomic.asm: New file.
3467 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
3469 2006-03-31 DJ Delorie <dj@redhat.com>
3471 * config/m32c/cond.md: Set condition flags properly throughout.
3472 * config/m32c/minmax.md: Likewise.
3473 * config/m32c/prologue.md: Likewise.
3474 * config/m32c/bitops.md: Likewise.
3475 * config/m32c/muldiv.md: Likewise.
3476 * config/m32c/mov.md: Likewise.
3477 * config/m32c/addsub.md: Likewise.
3478 * config/m32c/m32c.md: Likewise.
3479 * config/m32c/jump.md: Likewise.
3480 * config/m32c/shift.md: Likewise.
3482 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
3483 conditionally output the pattern for this.
3484 * config/m32c/m32c.c (flags_needed_for_conditional): New.
3485 (m32c_compare_redundant): New.
3486 (m32c_output_compare): New.
3487 * config/m32c/m32c-protos.h (m32c_output_compare): New.
3489 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
3490 dest, not src. Allow other 4-byte modes.
3492 2006-03-30 Denis Chertykov <denisc@overta.ru>
3494 * doc/md.texi: Refer to avr/constraints.md instead of
3497 2006-03-30 Roger Sayle <roger@eyesopen.com>
3499 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
3500 signed vs. unsigned comparison failures on some hosts.
3502 2006-03-31 Alan Modra <amodra@bigpond.net.au>
3505 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
3506 change to FLOAT_REGS.
3508 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
3509 (rs6000_override_options): Use it.
3510 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
3511 only for -mabi=spe/no-spe and -mabi=altivec.
3513 2006-03-30 Geoffrey Keating <geoffk@apple.com>
3515 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
3518 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
3520 * Makefile.in: Rename docdir to gcc_docdir.
3522 2006-03-30 Roger Sayle <roger@eyesopen.com>
3525 * expr.c (emit_group_store): Optimize group stores into a pseudo
3526 register by using a paradoxical subreg to initialize the destination
3527 if the first or last member of the group specifies a "low part".
3529 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3532 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
3533 * target.h (struct gcc_target.speculate_insn): Change type of the
3534 second parameter to 'int'.
3535 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
3536 the second operand of the DEPS_LIST.
3537 (copy_DEPS_LIST_list): Update reference to the second operand of the
3539 * rtl.h (alloc_DEPS_LIST): Update signature.
3540 * sched-int.h (ds_t): Change typedef to 'int'.
3541 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3543 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3545 * haifa-sched.c (try_ready): Change condition to restore
3546 non-speculative pattern of the instruction.
3547 (process_insn_depend_be_in_spec): Code to keep probability of the
3548 speculative dependence non-decreasing.
3550 2006-03-30 Jie Zhang <jie.zhang@analog.com>
3552 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
3553 (single_move_for_movmem): ... this. Also change all uses.
3554 (bfin_expand_strmov): Renamed to...
3555 (bfin_expand_movmem): ... this. Also change all uses.
3556 * config/bfin/bfin.md (movstrsi): Renamed to...
3557 (movstrsi): ...this.
3559 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
3561 PR tree-optimization/26830
3563 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
3564 (copy_prop_visit_stmt): Remove write-only variable ann.
3565 (init_copy_prop): Check variable loop depth here. Do not simulate
3566 memory-tag and virtual operand PHIs except for store copy prop.
3568 2006-03-30 Richard Guenther <rguenther@suse.de>
3570 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
3571 variants with double arguments.
3573 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3575 * genpreds.c (write_tm_constrs_h): Delete variable p.
3576 * genconditions.c (write_header): Add tm-constrs.h to included
3578 * genpeep.c (main): Add toplev.h to included headers.
3579 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
3580 (build/genpeep.o): Add toplev.h dependency.
3581 * config/rs6000/constraints.md: Add "W" constraint.
3583 2006-03-29 Roger Sayle <roger@eyesopen.com>
3585 * stor-layout.c (mode_for_size_tree): Remove restiction on type
3586 sizes by correctly testing whether the size fits a host integer.
3587 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
3588 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
3589 SImode range for the default sizetype and bitsizetype.
3591 2006-03-29 Roger Sayle <roger@eyesopen.com>
3593 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
3594 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
3595 quickly if the argument is already of the correct type.
3596 Call fold_build1 instead of build1. Tidy up blank lines.
3598 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3600 * genemit.c (main): Add tm-constrs.h to included headers.
3601 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
3602 * genpeep.c (main): Add tm-constrs.h to included headers.
3603 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
3604 (write_tm_constrs_h): this and write complete file.
3605 (write_tm_preds_h): Do not emit satisfies_constraint fns.
3606 (write_insn_preds_c): Add tm-constrs.h to included headers.
3607 (gen_constrs): New variable.
3608 (parse_option): Parse "-c".
3609 (main): Invoke write_tm_constrs_h.
3610 * genrecog.c (write_header): Add tm-constrs.h to included headers.
3611 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
3612 (object_out_file): Add tm-constrs.h dependency.
3613 (insn-emit.o): Same.
3614 (insn-output.o): Same.
3615 (insn-peep.o): Same.
3616 (insn-preds.o): Same.
3617 (insn-recog.o): Same.
3618 (tm-constsr.h): New target.
3619 (s-constrs-h): New target.
3621 * config/rs6000/constraints.md: New file.
3622 * config/rs6000/rs6000.c: Include tm-constrs.h.
3623 (num_insn_constant_wide): Convert to satisfies_constraint.
3624 (rs6000_rtx_costs): Convert to satisfies_constraint.
3625 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
3626 (CONST_OK_FOR_LETTER_P): Delete.
3627 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3628 (EXTRA_CONSTRAINT): Delete.
3629 (EXTRA_MEMORY_CONSTRAINT): Delete.
3630 (EXTRA_ADDRESS_CONSTRAINT): Delete.
3631 * config/rs6000/predicates.md: Convert to satisfies_constraint.
3632 * config/rs6000/rs6000.md: Include constraints.md. Convert to
3633 satisfies_constraint.
3635 * config/i386/i386.c: Include tm-constrs.h.
3637 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3639 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
3640 * tree-data-ref.c (find_data_references_in_loop,
3641 compute_data_dependences_for_loop): Use pointers to VEC.
3642 (analyze_all_data_dependences): Adjust calls.
3643 * tree-data-ref.h (find_data_references_in_loop,
3644 compute_data_dependences_for_loop): Adjust declarations.
3645 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
3646 compute_data_dependences_for_loop.
3648 2006-03-29 Paul Brook <paul@codesourcery.com>
3650 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
3653 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3655 PR tree-optimization/26859
3656 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
3658 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
3659 for the step after fold_convert.
3661 2006-03-29 Paul Brook <paul@codesourcery.com>
3663 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
3664 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
3666 2006-03-29 Paul Brook <paul@codesourcery.com>
3669 * targhooks.c (default_narrow_bitfield): New fuction.
3670 * targhooks.h (default_narrow_bitfield): add prototype.
3671 * target.h (gcc_target): Add narrow_volatile_bitfield.
3672 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3673 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
3674 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
3675 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3677 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
3679 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
3681 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
3682 (NR_C_MODES): Add TDmode, DDmode and SDmode.
3683 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
3684 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
3685 (s390_function_arg_float): Allow SDmode and DDmode values to be
3686 passed in floating point registers.
3687 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
3688 check with SCALAR_FLOAT_MODE_P.
3689 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
3691 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3693 PR tree-optimization/25985
3694 * tree-ssa-loop-niter.c (number_of_iterations_le,
3695 number_of_iterations_ne): Make comments more precise.
3696 (number_of_iterations_cond): Add only_exit argument. Use the
3697 fact that signed variables do not overflow only when only_exit
3699 (loop_only_exit_p): New.
3700 (number_of_iterations_exit): Pass result of loop_only_exit_p to
3701 number_of_iterations_cond.
3703 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3705 PR tree-optimization/26643
3706 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
3709 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
3711 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
3712 (divsi3_i4_int): Likewise.
3714 2006-03-28 Roger Sayle <roger@eyesopen.com>
3716 * expr.c (emit_group_store): Only create a new pseudo reg if the
3717 quantity it needs to hold isn't already a suitable pseudo.
3719 2006-03-28 Jeff Law <law@redhat.com>
3721 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
3722 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
3724 2006-03-28 Roger Sayle <roger@eyesopen.com>
3726 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
3727 the equivalent ~X & Y, and the symmetry related transformations.
3728 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
3729 ~X & Y, and symmetry related transforms.
3731 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3733 Revert my 2006-03-27 patches.
3735 2006-03-28 Roger Sayle <roger@eyesopen.com>
3737 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
3738 ~(T1)X, when T1 and T2 are integer types of the same precision
3739 and (T2)X isn't an extension.
3741 2006-03-28 Jeff Law <law@redhat.com>
3743 PR tree-optimization/26796
3744 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
3745 need EH edge cleanups rather than purging them immediately.
3746 (eliminate_degenerate_phis): Handle queued EH cleanups.
3748 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
3750 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
3753 2006-03-27 Roger Sayle <roger@eyesopen.com>
3756 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
3757 cast BIT_NOT_EXPR operand to the correct type.
3759 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
3761 * tree-loop-linear.c: Don't include varray.h.
3762 (gather_interchange_stats, try_interchange_loops,
3763 linear_transform_loops): Use VEC instead of VARRAY.
3764 * lambda-mat.c: Don't include varray.h.
3765 * tree-chrec.c: Same.
3766 * lambda-trans.c: Same.
3767 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
3768 VEC instead of VARRAY.
3769 * tree-vectorizer.h: Idem.
3770 * tree-data-ref.c (dump_data_references,
3771 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
3772 initialize_data_dependence_relation, finalize_ddr_dependent,
3773 compute_all_dependences, find_data_references_in_loop,
3774 compute_data_dependences_for_loop, analyze_all_data_dependences,
3775 free_dependence_relation, free_dependence_relations,
3776 free_data_refs): Idem.
3777 * tree-data-ref.h (data_reference_p, subscript_p): New.
3778 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
3779 VEC instead of VARRAY.
3780 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
3781 (find_data_references_in_loop, compute_data_dependences_for_loop,
3782 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
3783 dump_data_dependence_relations, free_dependence_relations,
3784 free_data_refs): Adjust declaration.
3785 (lambda_transform_legal_p): Move declaration here...
3786 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
3787 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
3788 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
3789 vect_analyze_data_refs): Use VEC instead of VARRAY.
3790 * lambda.h (lambda_transform_legal_p): ...from here.
3791 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
3792 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
3793 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
3794 tree-chrec.o): Don't depend on VARRAY_H.
3796 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3798 * rtl.def (Copyright): Update date.
3799 (DEPS_LIST): Change type of the second operand to 'int'.
3800 * target.h (Copyright): Update date.
3801 (struct gcc_target.speculate_insn): Change type of the second parameter
3803 * lists.c (Copyright): Update date.
3804 (alloc_DEPS_LIST): Change signature. Update reference to the second
3805 operand of the DEPS_LIST.
3806 (copy_DEPS_LIST_list): Update reference to the second operand of the
3808 * rtl.h (Copyright): Update date.
3809 (alloc_DEPS_LIST): Update signature.
3810 * sched-int.h (Copyright): Update date.
3811 (ds_t): Change typedef to 'int'.
3812 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3814 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3816 * haifa-sched.c (Copyright): Update date.
3817 (try_ready): Change condition to restore non-speculative pattern
3819 (process_insn_depend_be_in_spec): Code to keep probability of the
3820 speculative dependence non-decreasing.
3822 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
3824 * regrename.c (replace_oldest_value_addr): Initialize a variable to
3825 shut up the compiler.
3827 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
3829 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
3830 to use lib prefix for target.
3831 ($(T)libic_invalidate_array_4-200.a): Likewise.
3832 ($(T)libic_invalidate_array_4a.a): Likewise.
3834 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
3835 J"orn Rennecke <joern.rennecke@st.com>
3837 * superh.opt: New file.
3838 * sh.c (boardtype, osruntime): Remove.
3839 * superh.h (SUBTARGET_OPTIONS): Remove.
3840 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
3842 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
3843 arguments with ^ and/or [].
3845 * config.gcc (sh-*-*): Add quoting to account for quirk of
3847 Replace == with = in enable_incomplete_targets test.
3849 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
3850 with MASK_LITTLE_ENDIAN.
3852 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
3853 * config/sh/sh.opt: Added to some comments.
3854 * config/sh/superh.h: Removed some chaff.
3856 * config/sh/sh.opt: Add m4-[1234]00* options.
3857 * config/sh/sh.c (sh_handle_option): Likewise.
3858 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
3859 (ic_invalidate_array_4-100.o): New rule.
3860 ($(T)libic_invalidate_array_4-100.a): Likewise.
3861 (ic_invalidate_array_4-200.o): Likewise.
3862 ($(T)libic_invalidate_array_4-200.a): Likewise.
3863 (ic_invalidate_array_4a.o): Likewise.
3864 ($(T)libic_invalidate_array_4a.a): Likewise.
3865 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
3866 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
3868 * config/sh/crt1.asm: Merged in profiling code.
3869 * config/sh/superh.h (STARTFILE_SPEC): Override.
3870 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
3871 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
3872 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
3874 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
3875 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
3876 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
3878 * sh.opt (mpretend-cmove): New option.
3879 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
3880 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
3881 (movsicc): Add TARGET_PRETEND_CMOVE code.
3883 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
3885 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
3886 s390_class_max_nregs): New function prototypes.
3887 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
3888 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
3889 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
3890 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
3892 2006-03-26 Geoffrey Keating <geoffk@apple.com>
3894 * dwarf2out.c (add_location_or_const_value_attribute): Call
3895 tree_add_const_value_attribute if nothing else works.
3896 (reference_to_unused): New.
3897 (rtl_for_decl_init): Use reference_to_unused to decide whether
3898 to output an initializer.
3900 2006-03-27 Alan Modra <amodra@bigpond.net.au>
3903 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
3904 peephole removing spe frob_di_df_2.
3906 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
3908 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
3909 (subscript_dependence_tester_1): Declared.
3910 (print_dir_vectors, print_dist_vectors): New.
3911 (debug_data_dependence_relation): New.
3912 (dump_data_dependence_relation): Print more details.
3913 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
3914 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
3915 (save_dist_v, save_dir_v, add_outer_distances,
3916 build_classic_dist_vector_1): New.
3917 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
3918 Don't test for lambda_vector_lexico_pos.
3919 (same_access_functions, add_multivariate_self_dist,
3920 add_other_self_distances, dir_from_dist): New.
3921 (build_classic_dir_vector): Replace implementation almost identical to
3922 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
3924 (subscript_dependence_tester_1): New.
3925 (subscript_dependence_tester): Handle the lexicographically negative
3926 distance vectors by recomputing the dependence relation.
3927 (compute_affine_dependence): Remove parameter loop_nest_depth.
3928 (compute_self_dependence): Don't call compute_subscript_distance.
3929 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
3930 Add a parameter for the loop_nest.
3931 (find_loop_nest_1, find_loop_nest): New.
3932 (compute_data_dependences_for_loop): Compute the loop nest, and give
3933 up if the nest is not well formed.
3934 * tree-data-ref.h (loop_p): New.
3935 (struct data_dependence_relation): Replace size_vect field with
3936 loop_nest, a vec of loops.
3937 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
3938 (DDR_LOOP_NEST): New.
3939 (print_dir_vectors, print_dist_vectors,
3940 debug_data_dependence_relation): Declared.
3941 (index_in_loop_nest): New.
3942 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
3943 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
3946 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
3948 * simplify-rtx.c (simplify_relational_operation): Call
3949 simplify_relational_operation_1 even if mode is VOIDmode.
3951 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
3953 PR tree-optimization/26804
3954 * tree.h (DECL_CALL_CLOBBERED): New macro.
3955 (tree_decl_common): Add call_clobbered_flag.
3956 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
3957 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
3958 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
3959 (mark_non_addressable): Ditto.
3960 * tree-ssa.c (verify_call_clobbered): New function.
3961 (verify_alias_info): Use it.
3962 * tree-pass.h (pass_reset_cc_flags): New prototype.
3963 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
3964 (reset_cc_flags): New function.
3965 * passes.c (init_optimization_passes): Call reset_cc_flags after
3966 initializing referenced_vars.
3968 2006-03-25 Uros Bizjak <uros@kss-loka.si>
3969 Roger Sayle <roger@eyesopen.com>
3972 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
3973 to 1.0 for non-real operands. Implement A / A optimization for
3976 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
3978 * config/i386/i386.c (size_cost): Correct the comment for
3979 cost of storing fp registers.
3980 (i386_cost): Likewise.
3981 (i486_cost): Likewise.
3982 (pentium_cost): Likewise.
3983 (pentiumpro_cost): Likewise.
3984 (k6_cost): Likewise.
3985 (athlon_cost): Likewise.
3986 (k8_cost): Likewise.
3987 (pentium4_cost): Likewise.
3988 (nocona_cost): Likewise.
3989 (generic64_cost): Likewise.
3990 (generic32_cost): Likewise.
3992 2006-03-24 Denis Chertykov <denisc@overta.ru>
3994 * config/avr/avr-protos.h (extra_constraint): Delete.
3995 (extra_constraint_Q): New declaration.
3996 * config/avr/constraints.md: New file.
3997 * config/avr/avr.md: Include it.
3998 (REG_X, REG_Y, REG_Z, REG_W): New constants.
3999 (TMP_REGNO, ZERO_REGNO): Likewise.
4000 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
4001 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
4002 (extra_constraint): Delete.
4003 (extra_constraint_Q): Test for memory constraint 'Q'.
4004 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
4005 (REG_CLASS_FROM_LETTER): Delete.
4006 (CONST_OK_FOR_LETTER_P): Delete.
4007 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4008 (EXTRA_CONSTRAINT): Delete.
4009 (TMP_REGNO): Delete.
4010 (ZERO_REGNO): Delete.
4012 2006-03-24 Jeff Law <law@redhat.com>
4014 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
4015 directly. Call mark_new_vars_to_rename slightly earlier.
4017 2006-03-24 Geoffrey Keating <geoffk@apple.com>
4019 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
4021 (gen_compile_unit_die): Use new language types for Objective-C and
4023 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
4024 DW_LANG_C_plus_plus.
4027 * config/t-darwin (crt3.o): Work around bug 26840.
4028 * config/darwin-crt3.c: Rewrite.
4029 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
4031 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
4033 * doc/invoke.texi: Document -femit-class-debug-always
4034 * common.opt: Add -femit-class-debug-always.
4036 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
4038 * config/s390/s390.c (s390_decompose_address): Allow SImode for
4039 index and base register.
4040 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
4041 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
4042 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
4043 REGNO_OK_FOR_INDEX_P.
4044 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
4046 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
4047 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
4048 REG_OK_FOR_BASE_P): Definitions removed.
4050 2006-03-24 Jakub Jelinek <jakub@redhat.com>
4053 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
4054 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
4055 set yet or weren't marked as local yet.
4057 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
4059 * regrename.c (scan_rtx_address): Initialize a variable to shut up
4062 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
4064 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
4065 (rs6000_legitimate_small_data_p): Delete.
4066 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
4067 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
4068 and make static. Add forward declaration. Update uses.
4069 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
4070 of offsettable_memref_p.
4071 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
4072 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
4074 2006-03-24 Jeff Law <law@redhat.com>
4076 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
4077 around bug in immediate-use iterator.
4079 2006-03-24 Alan Modra <amodra@bigpond.net.au>
4082 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
4083 or __LITTLE_ENDIAN__.
4085 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
4087 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
4088 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
4089 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
4090 * config/sh/sh.opt (mdiv=): Amend description.
4091 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
4092 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
4093 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
4094 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
4095 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
4096 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
4097 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
4098 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
4099 TARGET_DIVIDE_CALL_FP.
4101 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4103 * haifa-sched.c (choose_ready): Fix type of the local variable.
4104 Move local variables. Add comment.
4105 (check_reg_live): Change signature. Make callable from debugger.
4106 * sched-int.h (check_reg_live): Update signature.
4107 * sched-ebb.c (check_reg_live): Update parameters.
4108 * sched-rgn.c (check_reg_live): Ditto.
4109 (region_head_or_leaf_p): Check pointer before dereferencing.
4110 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
4111 before reload on optimization levels below 1.
4113 2006-03-23 Richard Henderson <rth@redhat.com>
4115 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
4119 * config/alpha/predicates.md (local_symbolic_operand): Reject
4122 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
4125 * tree-ssa-pre.c (create_value_expr_from): Don't reject
4126 expressions which have overflowed constants.
4128 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4130 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
4132 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4134 * cfgloopmanip.c (create_loop_notes): Removed.
4135 * final.c (final_scan_insn): Do not handle loop notes.
4136 * jump.c (squeeze_notes): Ditto.
4137 * cfglayout.c (skip_insns_after_block,
4138 duplicate_insn_chain): Ditto.
4139 * cfgcleanup.c (rest_of_handle_jump2): Do not call
4141 * cfgloop.h (create_loop_notes): Declaration removed.
4143 2006-03-23 Richard Sandiford <richard@codesourcery.com>
4145 * varasm.c (output_constant_pool): Restore fnname and fndecl
4147 (assemble_start_function): Adjust call accordingly.
4148 (assemble_end_function): Likewise.
4150 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4153 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
4156 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
4158 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4161 * system.h (ICE_EXIT_CODE): New macro.
4162 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
4163 (diagnostic_action_after_output): Likewise.
4164 * gcc.c (fatal_ice): New function.
4165 (execute): Use it instead of fatal.
4166 (fancy_abort): Likewise.
4167 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
4169 2006-03-22 Jeff Law <law@redhat.com>
4171 * loop-unroll.c (analyze_iv_to_split_insn): Handle
4172 iv_analyze_result returning false.
4174 2006-03-22 Jie Zhang <jie.zhang@analog.com>
4176 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
4178 2006-03-22 Richard Henderson <rth@redhat.com>
4181 * except.c (duplicate_eh_regions_0): New.
4182 (duplicate_eh_region_1): Duplicate the children of the node as
4183 well as the node itself. Link them up properly.
4184 (duplicate_eh_region_2): Merge into ...
4185 (duplicate_eh_regions): ... here. Take copy_region argument, and
4186 copy only a sub-tree if asked. Simplify copying and fixup.
4187 (eh_region_outer_p): New.
4188 * except.h (duplicate_eh_regions): Update decl.
4189 (eh_region_outer_p): Declare.
4190 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
4191 (lower_omp_master): Likewise.
4192 (lower_omp_ordered): Likewise.
4193 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
4194 (move_stmt_r): Use it to remap labels. Handle recursion vs
4195 remap_decls_p properly.
4196 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
4197 (find_outermost_region_in_block): New.
4198 (new_label_mapper): New.
4199 (move_sese_region_to_fn): Copy eh information to the new function
4201 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
4203 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
4206 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4208 * doc/md.texi (-mshared): Mention that -mshared code can be linked
4209 into shared libraries.
4211 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4213 * doc/md.texi: Refer to i386/constraints.md instead of
4215 * config/i386/constraints.md: New file, extracted from...
4216 * config/i386/predicates.md: ...here.
4217 * config/i386/i386.md: Include constraints.md.
4219 2006-03-21 Jason Merrill <jason@redhat.com>
4221 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
4224 * expr.c (init_block_move_fn): Force default visibility.
4225 (init_block_clear_fn): Likewise.
4226 * builtins.c (expand_builtin_fork_or_exec): Likewise.
4227 * targhooks.c (default_external_stack_protect_fail): Likewise.
4229 2006-03-21 Richard Sandiford <richard@codesourcery.com>
4231 * config/mips/predicates.md (const_call_insn_operand): Allow direct
4232 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
4233 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
4234 Use TARGET_OLDABI instead of !TARGET_NEWABI.
4235 (loadgp): Use mips_current_loadgp_style.
4236 (loadgp_noshared): New pattern.
4237 (sibcall_internal): Use MIPS_CALL.
4238 (sibcall_value_internal): Likewise.
4239 (sibcall_value_multiple_internal): Likewise.
4240 (call_internal): Likewise.
4241 (call_value_internal): Likewise.
4242 (call_value_multiple_internal): Likewise.
4243 (call_split): Use MIPS_CALL and add an 'S' constraint.
4244 (call_value_split): Likewise.
4245 (call_value_multiple_split): Likewise.
4246 * config/mips/mips.opt (-mabicalls): Tweak docstring.
4247 (-mshared): New option.
4248 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
4249 (mips_current_loadgp_style): Declare.
4250 * config/mips/mips.c (mips_classify_symbol): Avoid using
4251 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
4252 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
4253 TARGET_ABSOLUTE_ABICALLS.
4254 (override_options): Adjust comments. Improve the warning that is
4255 issued when -mabicalls and -G are used together.
4256 (mips_file_start): Remove comment.
4257 (mips_current_loadgp_style): New function.
4258 (mips_gnu_local_gp): New variable.
4259 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
4261 (mips_output_function_prologue): Use mips_current_laodgp_style.
4262 (mips_expand_prologue): Call mips_emit_loadgp before emitting
4263 the cprestore instruction.
4264 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
4265 live for TARGET_ABSOLUTE_ABICALLS.
4266 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
4267 (ASM_SPEC): Pass down -mshared and -mno-shared.
4268 (MIPS_CALL): New macro.
4269 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
4271 * doc/invoke.texi (-mabicalls): Update documentation.
4272 (-mshared): Document.
4274 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4276 * config/ia64/unwind-hpux.c: New file.
4277 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
4279 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4282 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
4284 2006-03-21 Jeff Law <law@redhat.com>
4286 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
4287 type conversions of a VR_VARYING source to a wider type.
4289 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
4291 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
4292 tm_file on Solaris 10 and later.
4293 (sparc64-*-solaris2*): Likewise.
4294 (sparc-*-solaris2*): Likewise.
4295 * config/sol26.h: Rename to config/sol2-6.h.
4296 * config/sol2-10.h: New file.
4298 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
4301 * tree-ssa-pre.c (create_component_ref_by_pieces):
4304 2006-03-21 Jakub Jelinek <jakub@redhat.com>
4307 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
4308 return it immediately.
4310 2006-03-21 Michael Matz <matz@suse.de>
4312 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
4314 (remove_arc, add_arc): Update num_out_arcs member.
4315 (set_out_arc_insns_equiv_num): Returns nothing instead of number
4317 (cache_presence): New function.
4318 (compare_states_for_equiv): New function.
4319 (state_is_differed): Don't take number of outargs, adjust callers.
4320 Use new invariant for speeding up.
4321 (init_equiv_class): Create initial classes based on sorted
4323 (partition_equiv_class): Don't track out_arcs_num.
4324 (evaluate_equiv_classes): Call cache_presence on all states and
4327 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
4329 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
4330 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
4331 (bfin_valid_reg_p): Test for pseudos explicitly and use only
4332 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
4334 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
4335 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
4336 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
4337 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
4338 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
4340 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
4341 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
4342 (REGNO_REG_CLASS): ARGP is in PREGS.
4343 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
4345 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
4346 to deal with those addresses.
4347 * addresses.h: New file.
4348 * caller-save.c: Include "addresses.h".
4349 (init_caller_save): Use new base_reg_class function.
4350 * rtl-factoring.c: Include "addresses.h".
4351 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
4352 * recog.c: Include "addresses.h".
4353 (preprocess_constraints): Use new base_reg_class function.
4354 * regrename.c: Include "addresses.h".
4355 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
4356 functions. Keep track of a new var INDEX_CODE to compute valid
4358 (replace_oldest_value_addr): Likewise.
4359 (replace_oldest_value_mem): Use base_reg_class.
4360 * reload.c: Include "addresses.h".
4361 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
4362 (find_reloads): Use new base_reg_class function.
4363 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
4364 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
4365 all callers and prototype changed.
4366 * reload1.c: Include "addresses.h".
4367 (maybe_fix_stack_asms): Use base_reg_class.
4368 * regclass.c: Include "addresses.h".
4369 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
4370 (init_reg_autoinc): Use new base_reg_class function.
4371 (record_reg_classes): Likewise.
4372 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
4373 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
4374 Use new args to compute necessary class.
4376 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
4377 regrename.o, rtl-factoring.o): Update dependencies.
4378 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
4379 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
4380 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
4381 REG_OK_FOR_INDEX_P): Delete documentation.
4383 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
4385 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
4386 from V7 to V9 for Solaris 7 and above.
4388 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
4390 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
4391 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
4392 argument pointers may not alias any other storage.
4393 * common.opt: Define option -fargument-noalias-anything.
4394 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
4395 alias semantics is specified by flag_argument_noalias > 2.
4397 2006-03-20 Jeff Law <law@redhat.com>
4399 * tree-pass.h (pass_phi_only_copy_prop): Delete.
4400 (pass_phi_only_cprop): Declare.
4401 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
4403 * tree-ssa-dom.c (degenerate_phi_result): New function.
4404 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
4405 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
4406 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
4407 (eliminate_degenerate_phis): Likewise.
4408 (pass_phi_only_cprop): New pass descriptor.
4409 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
4410 support code. Callers updated.
4411 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
4412 (store_copy_prop): Likewise.
4413 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
4415 2006-03-20 Jason Merrill <jason@redhat.com>
4418 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
4419 (push_visibility, pop_visibility): Likewise.
4420 * c-pragma.h: Declare them.
4422 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
4424 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
4426 * config/sh/sh.c (find_regmode_weight): Change the type of the first
4427 parameter and use get_ebb_head_tail.
4428 (sh_md_init_global): Adjust uses of find_regmode_weight.
4430 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
4432 * function.h (struct function) <x_tail_recursion_reentry>:
4433 Rename to x_stack_check_probe_note.
4434 (tail_recursion_reentry): Rename to stack_check_probe_note.
4435 * function.c: Replace tail_recursion_reentry with
4436 stack_check_probe_note everywhere.
4437 (expand_function_start): Only emit a note for
4438 stack_check_probe_note with -fstack-protect.
4439 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
4441 * emit-rtl.c (remove_unnecessary_notes): Remove.
4442 (pass_remove_unnecessary_notes): Remove.
4443 * rtl.h (remove_unnecessary_notes): Remove prototype.
4444 * final.c (final_start_function): Don't call remove_unnecessary_notes.
4445 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
4446 * passes.c (pass_remove_unnecessary_notes): Don't run it.
4448 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
4451 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
4452 (valid_in_set): Handle ARRAY_REF.
4453 Change "if min_variant or VH" to asserts.
4454 (create_component_ref_by_pieces): Handle ARRAY_REF.
4455 (create_expression_by_pieces): Likewise.
4456 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
4458 2006-03-20 David Edelsohn <edelsohn@gnu.org>
4460 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
4461 is operand of switch, not str[0].
4463 2006-03-20 Alan Modra <amodra@bigpond.net.au>
4465 * config/rs6000/rs6000.c (rs6000_handle_option): Use
4466 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
4468 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4470 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
4471 end of insn_extra_address_constraint declaration.
4473 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4475 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
4476 (no-sum-in-toc): Same.
4477 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
4479 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
4480 NO_FP_IN_TOC for -fPIC instead of mask.
4482 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
4483 (BOOT_LDFLAGS): Delete.
4485 * config/rs6000/t-aix52: Same.
4487 * config/rs6000/rs6000.md (store_multiple_power): Delete.
4488 (stmsi[345678]_power): New.
4490 2006-03-17 Steve Ellcey <sje@cup.hp.com>
4492 * config/ia64/ia64.opt: Add empty line to end of file.
4494 2006-03-17 Richard Guenther <rguenther@suse.de>
4497 * builtins.c (get_pointer_alignment): For component style references
4498 adjust alignment to the component type alignment. Make sure
4499 to adjust alignment for component access of constants.
4501 2006-03-17 David Edelsohn <edelsohn@gnu.org>
4503 * config/rs6000/rs6000.md (strlensi): Emit barrier after
4506 2006-03-17 Paul Brook <paul@codesourcery.com>
4508 * doc/install.texi: Docuemnt --with-mode.
4509 * config.gcc: Add --with-mode for arm*-*-*.
4510 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
4512 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
4514 * sh.c (max_labelno_before_reorg): New variable.
4515 (sh_reorg): Initialize it.
4516 (find_barrier): Check max_labelno_before_reorg before using
4517 label_to_alignment. Take length of explicit alignment insns
4518 into account. When seeing a UNSPECV_CONST_END, return it.
4520 * sh.c (fixup_mova): Set mode of affected label to QImode.
4521 (untangle_mova): New function.
4522 (find_barrier): Use it. Check mode of label before decrementing
4524 (sh_reorg): Likewise.
4525 Set mode of all insns back to VOIDmode.
4527 * sh.c (MOVA_LABELREF): New macro.
4528 (mova_p, fixup_mova, sh_reorg): Use it.
4529 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
4530 ADDR_DIFF_VEC matches mova.
4532 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
4534 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
4535 with ATTRIBUTE_UNUSED.
4537 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4539 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4540 pointer, instead of assuming it is possible to derive the
4541 correct args size from a call insn.
4543 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4545 * rtl.h (CONST_INT_P): Define.
4546 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
4547 instead of GET_CODE(x) == CONST_INT.
4548 (vax_rtx_costs): Likewise.
4549 (vax_output_int_move): Likewise.
4550 (vax_output_int_add): Likewise.
4551 (legitimate_constant_address_p): Likewise.
4552 (index_term_p): Likewise.
4553 * config/vax/vax.h (PRINT_OPERAND): Likewise.
4554 * config/vax/vax.md (and<mode>3): Likewise.
4555 (ashrsi3): Likewise.
4557 (movstricthi): Likewise.
4558 (movstrictqi): Likewise.
4559 (rotrsi3): Likewise.
4560 (five unnamed insns): Likewise.
4562 2006-03-16 Geoffrey Keating <geoffk@apple.com>
4564 * doc/tm.texi (SDB and DWARF): Add extra parameter to
4565 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
4566 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
4567 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
4568 Pass to ASM_OUTPUT_DWARF_OFFSET.
4569 * dwarf2out.c (debug_frame_section): New.
4570 (output_call_frame_info): Use debug_frame_section. Pass it to
4571 dw2_asm_output_offset.
4572 (output_die): Pass appropriate section to dw2_asm_output_offset.
4573 (output_compilation_unit_header): Likewise.
4574 (output_pubnames): Likewise.
4575 (output_aranges): Likewise.
4576 (enum dw_val_class): Break dw_val_class_lbl_offset into
4577 dw_val_class_lineptr and dw_val_class_macptr.
4578 (add_AT_lbl_offset): Delete.
4579 (add_AT_lineptr): New.
4580 (add_AT_macptr): New.
4581 (AT_lbl): Expect a lineptr or macptr.
4582 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
4583 (attr_checksum): Likewise.
4584 (same_dw_val_p): Likewise.
4585 (size_of_die): Likewise.
4586 (value_format): Likewise.
4587 (output_die): Likewise.
4588 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
4590 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4591 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
4592 * config/darwin-protos.h (darwin_file_start): New.
4593 (darwin_asm_output_dwarf_offset): New.
4594 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4595 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
4597 * config/darwin.c (darwin_emit_unwind_label): Don't output label
4598 if not EH section; simplify.
4599 (darwin_file_start): New.
4600 (darwin_asm_output_dwarf_offset): New.
4601 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
4603 (DEBUG_INFO_SECTION): Likewise.
4604 (DEBUG_ABBREV_SECTION): Likewise.
4605 (DEBUG_ARANGES_SECTION): Likewise.
4606 (DEBUG_MACINFO_SECTION): Likewise.
4607 (DEBUG_LINE_SECTION): Likewise.
4608 (DEBUG_LOC_SECTION): Likewise.
4609 (DEBUG_PUBNAMES_SECTION): Likewise.
4610 (DEBUG_STR_SECTION): Likewise.
4611 (DEBUG_RANGES_SECTION): Likewise.
4612 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
4613 (ASM_OUTPUT_DWARF_OFFSET): New.
4615 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
4617 * config.gcc (tm_defines): Always add to previous value rather
4620 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4622 * config/mips/predicates.md (splittable_const_int_operand): New,
4623 split from move_operand.
4624 (splittable_symbolic_operand): New.
4625 (move_operand): Add commentary. Use splittable_const_int_operand.
4626 Inline mips_atomic_symbolic_constant_p.
4627 * config/mips/mips.md: Add combine splitters for handling moves
4628 of splittable_const_int_operands and splittable_symbolic_operands.
4629 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
4630 (mips_split_symbol): Declare.
4631 (mips_move_integer): Declare.
4632 * config/mips/mips.c (mips_split_p): Make global.
4633 (TARGET_MIN_ANCHOR_OFFSET): Override default.
4634 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4635 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4636 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
4637 (mips_offset_within_object_p): Handle block symbols.
4638 (mips_atomic_symbolic_constant_p): Delete.
4639 (mips_cannot_force_const_mem): Return false for constants that
4640 mips_legitimize_move can handle.
4641 (mips_use_blocks_for_constant_p): New function.
4642 (mips_split_symbol): Make global.
4643 (mips_move_integer): Likewise. Add a temporary register argument.
4644 (mips_legitimize_const_move): Use splittable_const_int_operand and
4645 splittable_symbolic_operand.
4646 (mips_use_anchors_for_symbol_p): New function.
4647 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
4648 (mips_split_p): Declare.
4650 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4652 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
4653 (mips*-*-linux*): Likewise.
4655 2006-03-16 Roger Sayle <roger@eyesopen.com>
4656 Daniel Speyer <dspeyer@wam.umd.edu>
4659 * tree-dump.c (dump_real): New function.
4660 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
4661 * Makefile.in (REAL_H): New macro for dependencies on real.h.
4662 (tree-dump.o): Add $(REAL_H) to the dependencies.
4664 2006-03-16 Roger Sayle <roger@eyesopen.com>
4667 * real.c (real_from_string): If the mantissa is zero, don't bother
4668 parsing the exponent as the result should always be zero.
4670 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
4672 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
4674 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4676 * config/ia64/ia64.c (stops_p): Added explicit initialization.
4677 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
4678 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
4679 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
4680 ia64_sched_finish_global): New static functions to implement
4681 hooks from gcc_target.sched.
4682 (spec_check_no, max_uid, pending_data_specs): New static variables.
4683 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
4684 ia64_spec_check_src_p): New static functions.
4685 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
4686 (TARGET_SCHED_ADJUST_COST): Removed.
4687 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
4688 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
4689 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4690 TARGET_SCHED_GEN_CHECK,
4691 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4692 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
4693 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
4694 Fixed to handle speculation checks.
4695 (rtx_needs_barrier): Fixed to handle speculative loads and
4697 (ia64_variable_issue): Added code to count speculative loads and their
4699 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
4701 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
4703 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
4705 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
4706 (ia64_reorg): Reset stops_p to NULL after it is freed.
4707 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
4708 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
4709 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
4711 (data_speculative, control_speculative, check_load): New attributes.
4712 (mov<mode>_advanced, mov<mode>_speculative,
4713 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
4714 zero_extend<mode>di2_speculative,
4715 zero_extend<mode>di2_speculative_advanced): New patterns for
4716 data and control speculative loads.
4717 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
4719 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
4720 New pattern for data and control speculation checks.
4721 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
4722 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
4723 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
4724 Auxiliary definitions for the patterns.
4725 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
4726 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
4728 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
4730 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
4731 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
4732 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
4733 New resource constraints.
4734 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
4736 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
4737 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
4738 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4739 msched-in-control-spec, msched-ldc, msched-control-ldc,
4740 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4741 msched-prefer-non-control-spec-insns,
4742 msched-count-spec-in-critical-path): New flags to tune speculative
4744 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
4745 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4746 msched-in-control-spec, msched-ldc, msched-control-ldc,
4747 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4748 msched-prefer-non-control-spec-insns,
4749 msched-count-spec-in-critical-path): Document new flags.
4751 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4753 * target.h (struct spec_info_def): New opaque declaration.
4754 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
4755 speculate_insn, needs_block_p, gen_check,
4756 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
4757 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
4758 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
4759 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
4760 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4761 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
4763 (TARGET_SCHED): Use new macros.
4764 * rtl.h (copy_DEPS_LIST_list): New prototype.
4765 * sched-int.h (struct sched_info): Change signature of new_ready field,
4766 adjust all initializations. New fields: add_remove_insn,
4767 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
4768 region_head_or_leaf_p.
4769 (struct spec_info_def): New structure declaration.
4770 (spec_info_t): New typedef.
4771 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
4772 recovery_block, orig_pat.
4773 (glat_start, glat_end): New variables declaraions.
4774 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
4776 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
4777 DETACH_LIFE_INFO, USE_GLAT.
4778 (enum SPEC_SCHED_FLAGS): New enumeration.
4779 (NOTE_NOTE_BB_P): New macro.
4780 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
4781 attach_life_info, debug_spec_status, check_reg_live): New functions.
4782 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
4783 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
4785 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
4786 * ddg.c (get_block_head_tail): Adjust all uses.
4787 * modulo-sched.c (get_block_head_tail): Adjust all uses.
4788 (sms_sched_info): Initialize new fields.
4789 (contributes_to_priority): Removed.
4790 * haifa-sched.c (params.h): New include.
4791 (get_block_head_tail): Adjust all uses.
4792 (ISSUE_POINTS): New macro.
4793 (glat_start, glat_end): New global variables.
4794 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
4795 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
4796 old_last_basic_block, before_recovery, current_sched_info_var,
4797 rgn_n_insns, luid): New static variables.
4798 (insn_cost1): New function. Move logic from insn_cost to here.
4799 (find_insn_reg_weight1): New function. Move logic from
4800 find_insn_reg_weight to here.
4801 (reemit_notes, move_insn, max_issue): Change signature.
4802 (move_insn1): Removed.
4803 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
4804 extend_bb): New static functions to support extension of scheduler's
4806 (generate_recovery_code, process_insn_depend_be_in_spec,
4807 begin_speculative_block, add_to_speculative_block,
4808 init_before_recovery, create_recovery_block, create_check_block_twin,
4809 fix_recovery_deps): New static functions to support
4810 generation of recovery code.
4811 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
4812 restore_bb_notes, move_block_after_check, move_succs): New static
4813 functions to support ebb scheduling.
4814 (init_glat, init_glat1, attach_life_info1, free_glat): New static
4815 functions to support handling of register live information.
4816 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
4817 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
4818 add_jump_dependencies): New static functions.
4819 (check_cfg, has_edge_p, check_sched_flags): New static functions for
4820 consistancy checking.
4821 (debug_spec_status): New function to call from debugger.
4822 (priority): Added code to handle speculation checks.
4823 (rank_for_schedule): Added code to distinguish speculative instructions.
4824 (schedule_insn): Added code to handle speculation checks.
4825 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
4826 Fixed to handle ebbs.
4827 (move_insn): Added code to handle ebb scheduling.
4828 (max_issue): Added code to use ISSUE_POINTS of instructions.
4829 (choose_ready): Added code to choose between speculative and
4830 non-speculative instructions.
4831 (schedule_block): Added code to handle ebb scheduling and scheduling of
4832 speculative instructions.
4833 (sched_init): Initialize new variables.
4834 (sched_finish): Free new variables. Print statistics.
4835 (try_ready): Added code to handle speculative instructions.
4836 * lists.c (copy_DEPS_LIST_list): New function.
4837 * sched-deps.c (extend_dependency_caches): New function. Move logic
4838 from create_dependency_caches to here.
4839 (get_dep_weak, ds_merge): Make global.
4840 * genattr.c (main): Code to output prototype for
4841 dfa_clear_single_insn_cache.
4842 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
4843 (output_dfa_clean_insn_cache_func): Code to output
4844 dfa_clear_single_insn_cache function.
4845 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
4847 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
4849 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
4850 New static variables.
4851 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
4852 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
4854 (ebb_sched_info): Initialize new fields.
4855 (get_block_head_tail): Adjust all uses.
4856 (compute_jump_reg_dependencies): Fixed to use glat_start.
4857 (schedule_ebb): Code to remove unreachable last block.
4858 (schedule_ebbs): Added code to update register live information.
4859 * sched-rgn.c (region_sched_info): Initialize new fields.
4860 (get_block_head_tail): Adjust all uses.
4861 (last_was_jump): Removed. Adjust users.
4862 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
4863 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
4864 Implement new hooks.
4865 (check_dead_notes1): New static function.
4866 (struct region): New fields: dont_calc_deps, has_real_ebb.
4867 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
4868 (BB_TO_BLOCK): Fixed to handle EBBs.
4869 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
4870 (ebb_head): New static variable.
4871 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
4872 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
4874 (compute_dom_prob_ps): New assertion.
4875 (check_live_1, update_live_1): Fixed to work with glat_start instead of
4876 global_live_at_start.
4877 (init_ready_list): New assertions.
4878 (can_schedule_ready_p): Split update code to begin_schedule_ready.
4879 (new_ready): Add support for BEGIN_CONTROL speculation.
4880 (schedule_insns): Fixed code that updates register live information
4882 (schedule_region): Fixed to handle EBBs.
4883 (init_regions): Use extend_regions and check_dead_notes1.
4884 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
4885 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
4886 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
4887 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4888 TARGET_SCHED_GEN_CHECK,
4889 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4890 TARGET_SCHED_SET_SCHED_FLAGS): Document.
4891 * doc/invoke.texi (max-sched-insn-conflict-delay,
4892 sched-spec-prob-cutoff): Document.
4894 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4896 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
4897 inter_tick, queue_index.
4898 (struct sched_info): Change signature of init_ready_list field.
4899 Adjust all initializations.
4900 (RESOLVED_DEPS): New access macro.
4901 (ready_add): Remove prototype.
4902 (try_ready): Add prototype.
4903 * sched-rgn.c (init_ready_list): Use try_ready.
4904 (schedule_region): Initialize
4905 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
4906 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
4907 (init_ready_list): Use try_ready.
4908 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
4909 * lists.c (remove_list_elem): Remove `static'.
4910 (remove_free_INSN_LIST_elem): New function.
4911 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
4912 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
4913 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
4915 (readyp): New variable.
4916 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
4917 change_queue_index, resolve_dep): New static functions.
4918 (try_ready): New function. Adjust callers in sched-rgn.c and
4919 sched-ebb.c to use it instead of ready_add.
4920 (clock_var): Move at the begining of file.
4921 (rank_for_schedule): Fix typo.
4922 (queue_insn): Add assertion. Handle QUEUE_INDEX.
4923 (ready_lastpos): Enforce assertion.
4924 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
4926 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
4927 (schedule_insn): Rewrite to use try_ready and resolve_dep.
4928 (queue_to_ready): Use free_INSN_LIST_list.
4929 (early_queue_to_ready): Fix typo.
4930 (schedule_block): Init readyp. Move init_ready_list call after the
4931 initialization of clock_var. Fix error in rejecting insn by
4932 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
4933 that previously corrected INSN_TICKs. Add code for handling
4935 (set_priorities): Fix typo.
4936 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
4937 Clarify comment and code that keeps current_sched_info->next_tail
4940 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4942 * sched-rgn.c (extend_rgns): New static function.
4943 (find_rgns): Use it.
4944 (gather_region_statistics, print_region_statistics): New static
4946 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
4947 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4949 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4950 Andrey Belevantsev <abel@ispras.ru>
4952 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
4953 * lists.c (unused_deps_list): New variable.
4954 (free_list): Add assertions to verify the proper distinguishing
4955 between INSN_LISTs and DEPS_LISTs.
4956 (find_list_elem, remove_list_elem, remove_list_node): New static
4958 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
4959 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
4960 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
4961 (alloc_INSN_LIST): Assert that the list we're working on is indeed
4963 (free_INSN_LIST_node): Likewise.
4964 * modulo-sched.c (current_sched_info): Initialize flags field.
4965 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
4966 * rtl.def (DEPS_LIST): Define.
4967 * rtl.h: Declare new functions from lists.c.
4968 * sched-deps.c (spec_dependency_cache): New static variable.
4969 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
4970 (add_dependence): Change return type to void. Move the logic to ...
4971 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
4972 (delete_all_dependences): Add comment about forward_dependency_cache.
4973 Handle spec_dependency_cache. Handle DEPS_LISTs.
4974 (fixup_sched_groups): Clarify the change of priority of output
4975 and anti dependencies.
4976 (sched_analyze_2): Adjust add_dependence calls to create data
4977 speculative dependence.
4978 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
4979 Adjust all callers. Handle DEPS_LISTS.
4980 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
4981 presence of speculation.
4982 (init_dependency_caches, free_dependency_caches):
4983 Handle spec_dependency_cache.
4984 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
4985 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
4986 New static functions.
4987 (add_or_update_back_dep, add_or_update_back_forw_dep,
4988 add_back_forw_dep, delete_back_forw_dep): New functions.
4989 * sched-int.h (ds_t, dw_t): New typedefs.
4990 (struct sched_info): Add new field flags.
4991 (struct haifa_insn_data): Add new bitfield has_internal_dep.
4992 Prototype new sched-deps.c functions.
4993 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
4994 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
4995 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
4996 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
4997 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
4998 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
5000 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
5002 * sched-rgn.c (current_sched_info): Initialize flags field.
5003 (schedule_insns): Initialize current_sched_info before the sched_init
5005 * sched-ebb.c (current_sched_info): Initialize flags field.
5006 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
5007 Call add_or_update_back_dep instead of add_dependence.
5008 Create control speculative dependencies.
5009 (schedule_insns): Initialize current_sched_info before the sched_init
5012 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
5014 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
5016 (sh_fallback_frame_state): Likewise.
5018 2006-03-15 Geoffrey Keating <geoffk@apple.com>
5020 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
5021 Do switch on default_use_cxa_atexit.
5022 (powerpc*-*-darwin*): Build crt2.o on powerpc.
5023 * config/darwin-crt3.o: New.
5024 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
5025 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
5026 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
5028 * config/rs6000/t-darwin: Move crt2.o building to here.
5029 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
5030 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
5033 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5035 * config/vax/vax.c (nonindexed_address_p): Change logical negation
5036 from '! xxx' to '!xxx' for coding-style conformance.
5037 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
5038 (EXTRA_CONSTRAINT): Likewise.
5039 * config/vax/vax.md (four unnamed insns): Likewise.
5041 2006-03-15 Paul Brook <paul@codesourcery.com>
5043 * config/arm/arm.c (minipool_pad): New.
5044 (add_minipool_forward_ref): Include pool alignment padding in address
5046 (push_minipool_fix): Set minipool_pad.
5047 (minipool_pad): Ditto.
5049 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5051 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
5052 instead of GET_CODE() == MEM and REG_P() instead of
5054 (print_operand_address): Likewise.
5055 (vax_address_cost): Likewise.
5056 (vax_rtx_costs): Likewise.
5057 (vax_notice_update_cc): Likewise.
5058 (vax_output_int_add): Likewise.
5059 (INDEX_REGISTER_P): Likewise.
5060 (BASE_REGISTER_P): Likewise.
5061 (nonindexed_address_p): Likewise.
5062 (vax_mode_dependent_address_p): Likewise.
5063 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
5064 (PRINT_OPERAND): Likewise.
5065 * config/vax/vax.md (ashlsi3): Likewise.
5066 (ashlsi3): Likewise.
5067 (some more unnamed insns): Likewise.
5069 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
5071 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
5072 iterator-style macro.
5073 (mark_control_dependent_edges_necessary): Update the use of
5074 EXECUTE_IF_CONTROL_DEPENDENT.
5076 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
5078 * config/sh/predicates.md (cache_address_operand): Special.
5079 (ua_address_operand): Likewise.
5081 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
5083 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
5085 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
5087 2006-03-15 Andreas Schwab <schwab@suse.de>
5089 * gensupport.c (identify_predicable_attribute): Don't free p_false
5090 when it is still in use.
5092 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5094 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
5095 the default setting here.
5097 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
5099 * tree-pass.h (pass_cfg): Remove.
5100 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
5101 * passes.c (pass_cfg): Don't run it.
5103 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
5105 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
5106 * reg-stack.c (stack_regs_mentioned_data): Change the type to
5108 (stack_regs_mentioned): Update the uses of
5109 stack_regs_mentioned_data. Don't access the array beyond its
5111 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
5112 Don't include gt-reg-stack.h.
5114 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
5115 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
5117 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
5120 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
5123 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5125 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
5127 2006-03-14 Richard Guenther <rguenther@suse.de>
5129 PR tree-optimization/26672
5130 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
5133 2006-03-14 Richard Guenther <rguenther@suse.de>
5135 PR tree-optimization/26667
5136 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
5137 node for the callees. Always allow inlining if it will shrink
5140 2006-03-14 Richard Guenther <rguenther@suse.de>
5143 * builtins.c (get_pointer_alignment): Prefer alignment
5144 information from decls over that from types.
5146 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
5149 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
5151 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
5153 * config/rs6000/rs6000.opt (mdlmzb): New option.
5154 (msched-prolog, msched-epilog): Use Var not Mask.
5155 * doc/invoke.texi (-mdlmzb): Document.
5156 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5158 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
5159 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
5161 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
5163 PR rtl-optimization/25739
5164 * bt-load.c (augment_live_range): Free tos pointer.
5166 * gensupport.c (identify_predicable_attribute): Free
5168 * gcov.c (create_file_names): Free name pointer.
5170 2006-03-13 Roger Sayle <roger@eyesopen.com>
5173 * stmt.c (emit_case_nodes): Handle the case where the index is a
5174 CONST_INT, where the comparison mode is specified by the index type.
5176 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5178 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
5181 2006-03-13 Richard Sandiford <richard@codesourcery.com>
5183 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
5184 (*branch_fp_inverted): Likewise.
5186 2006-03-13 Jakub Jelinek <jakub@redhat.com>
5189 * omp-low.c (expand_omp_for_generic): Mark istart0
5190 and iend0 as addressable.
5192 2006-03-13 Jie Zhang <jie.zhang@analog.com>
5194 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
5196 2006-03-13 Jeff Law <law@redhat.com>
5198 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
5199 virtual operands are interesting.
5200 (vrp_visit_stmt): Corresponding changes.
5202 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
5204 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
5206 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
5207 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
5208 * config/bfin/crti.S: Use it instead of __PIC__.
5209 * config/bfin/crtn.S: Likewise.
5211 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
5212 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
5214 Lose 'G' modifier for call operand.
5215 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
5216 recognize 'G' modifier.
5218 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
5221 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
5222 * stmt.c (expand_case): Likewise.
5224 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5226 PR rtl-optimization/26254
5227 * loop-invariant.c (seq_insns_valid_p): New function.
5228 (move_invariant_reg): Only emit new code if it is valid.
5230 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5232 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
5234 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
5235 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
5236 (commit_one_edge_insertion): Do not look for loop notes.
5238 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5240 * jump.c (follow_jumps): Do not check for loop notes. Move check for
5241 flag_test_coverage out of loop.
5243 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5245 * final.c (shorten_branches): Remove outdated comment, and turn
5246 the if branch that guards it to continue.
5248 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5250 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
5251 * cfgloop.h (struct loop): Remove unused fields.
5253 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
5255 * doc/invoke.texi (-fdump-rtl-loop): Remove.
5256 (-dL, -fdump-rtl-loop2): Update the dump file names
5258 * doc/invoke.texi: Update dump file names.
5260 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
5262 * predict.c (estimate_probability): Remove.
5263 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
5264 * basic-block.h (estimate_probability): Remove prototype.
5265 * passes.c (finish_optimization_passes): Dump branch prediction or
5266 profiling heuristics to the .profile tree dump.
5267 (init_optimization_passes): Unqueue pass_branch_prob.
5269 * doc/invoke.texi (-fdump-rtl-bp): Remove.
5271 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5273 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
5274 * rtl.h (LABEL_NEXTREF): Remove field accessor.
5276 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
5278 * function.h (frame_offset_overflow): Declare.
5279 * function.c (frame_offset_overflow): New function.
5280 (assign_stack_local_1): Call it to detect that the offset overflows.
5281 * cfgexpand.c (alloc_stack_frame_space): Likewise.
5283 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5285 * config/sh/sh.c: Include alloc-pool.h.
5286 (label_ref_list_pool): New alloc pool.
5287 (label_ref_list_t): New type for lists of labels.
5288 (struct pool_node): Make wend a label_ref_list_t.
5289 (add_constant): Use the new type, eradicate LABEL_NEXTREF
5291 (dump_table): Likewise.
5292 (sh_reorg): Set up the alloc pool before using add_constant and
5293 dump_table, and destroy it when finishing.
5295 2006-03-11 Richard Sandiford <richard@codesourcery.com>
5297 * config/mips/mips.c: Remove redundant comment.
5299 2006-03-10 Jason Merrill <jason@redhat.com>
5302 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
5303 the target was declared 'register'.
5305 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
5307 * genpreds.c (write_insn_constraint_len): Change definition of
5308 insn_constraint_len to return size_t to match the declaration.
5310 2006-03-10 DJ Delorie <dj@redhat.com>
5312 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
5314 (m32c_expand_insv): Fix test for an AND mask.
5316 2006-03-10 Richard Guenther <rguenther@suse.de>
5319 * builtins.c (get_pointer_alignment): Handle component
5320 references for field alignment.
5322 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5324 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
5325 when building with libgloss.
5326 (sh*elf): Implement --without-fp option.
5327 (sh64-superh-linux*): Don't multilib.
5329 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5331 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
5333 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
5335 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
5336 Set it when one of the replacement functions returned true.
5337 Return TODO_cleanup_cfg if cfgchanged is true.
5338 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
5340 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
5342 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
5343 instead of gen_lowpart.
5345 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5347 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
5349 (mips_output_order_conditional_branch): Declare.
5350 * config/mips/mips.h (MIPS_BRANCH): New macro.
5351 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
5352 for the comparison. Use gen_condjump.
5353 (mips_output_conditional_branch): Rework interface to take the
5354 asm templates for a direct branch and the inverse of a direct branch.
5355 (mips_output_order_conditional_branch): New function.
5356 (mips_builtin_branch_and_move): New function.
5357 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
5358 branch condition. Use gen_single_cc as the condition for
5359 __builtin_mips_upper_* or __builtin_mips_lower_*.
5360 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
5361 Use VOIDmode for the branch condition.
5362 * config/mips/predicates.md (order_operator): New predicate.
5363 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
5364 (branch_fp): Rename to...
5365 (*branch_fp): ...this. Remove mode from comparison operator.
5366 Use new mips_output_conditional_branch interface.
5367 (branch_fp_inverted): Rename to...
5368 (*branch_fp_inverted): ...this and update as for *branch_fp.
5369 (*branch_zero<mode>): Rename to...
5370 (*branch_order<mode>): ...this. Remove mode from comparison operator.
5371 Use mips_output_order_conditional_branch. Only accept ordered
5373 (*branch_zero<mode>_inverted): Rename to...
5374 (*branch_order<mode>_inverted): ...this and update as for
5375 *branch_order<mode>.
5376 (*branch_equality<mode>): Accept zero as the second operand to
5377 the equality operator. Use the new mips_output_conditional_branch
5379 (*branch_equality<mode>_inverted): Likewise.
5380 (condjump): New expander.
5381 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
5383 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
5384 (bc1any2t, bc1any2f): Likewise.
5385 (single_cc): New expander.
5386 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
5388 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5390 * doc/md.texi: Update documentation of MIPS constraints.
5391 * config/mips/constraints.md: New file.
5392 * config/mips/mips.md: Include it.
5393 * config/mips/mips.c (mips_char_to_class): Delete.
5394 (override_options): Don't initialize mips_char_to_class.
5395 * config/mips/mips.h (mips_char_to_class): Delete.
5396 (REG_CLASS_FROM_LETTER): Delete.
5397 (CONST_OK_FOR_LETTER_P): Delete.
5398 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5399 (EXTRA_CONSTRAINT_Y): Delete.
5400 (EXTRA_CONSTRAINT_STR): Delete.
5401 (CONSTRAINT_LEN): Delete.
5402 (EXTRA_MEMORY_CONSTRAINT): Delete.
5404 2006-03-09 Diego Novillo <dnovillo@redhat.com>
5406 * tree-cfg.c (move_block_to_fn): Remove the statements from the
5407 original fn's eh regions.
5409 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
5411 * fold-const.c (build_range_check): Make sure to use a valid type to
5412 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
5415 (range_predecessor): New static function.
5416 (range_successor): Likewise.
5417 (merge_ranges): Use them to compute predecessors and successors of
5420 2006-03-09 Roger Sayle <roger@eyesopen.com>
5423 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
5424 X op C3, consider whether C3 overflows towards +Inf or -Inf.
5426 2006-03-08 DJ Delorie <dj@redhat.com>
5428 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
5429 (addpsi3): Expand to include memory operands. Remove
5430 reload-specific splits.
5431 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
5432 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
5433 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
5434 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
5435 (shift1_qi, shift1_hi, insv): New.
5436 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
5437 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
5438 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
5440 * config/m32c/m32c-protos.h: Update as needed.
5441 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
5442 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
5443 Fail for unrecognized R* constraints.
5444 (m32c_cannot_change_mode_class): Be more picky about pseudos.
5445 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
5446 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
5448 (m32c_init_libfuncs): New.
5449 (m32c_legitimate_address_p): Add debug wrapper.
5450 (m32c_rtx_costs): New.
5451 (m32c_address_cost): New.
5452 (conversions): Add 'B' prefix.
5453 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
5454 operands, or word regnames for QI operands. 'B' prints bit
5456 (m32c_expand_setmemhi): New.
5457 (m32c_expand_movmemhi): New.
5458 (m32c_expand_movstr): New.
5459 (m32c_expand_cmpstr): New.
5460 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
5461 (m32c_expand_neg_mulpsi3): Handle non-ints.
5462 (m32c_cmp_flg_0): New.
5463 (m32c_expand_movcc): New.
5464 (m32c_expand_insv): New.
5465 (m32c_scc_pattern): New.
5466 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
5467 a0/a1 out of SIregs.
5468 (STORE_FLAG_VALUE): New.
5469 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
5472 * config/m32c/mov.md: Make constraints more liberal.
5473 (zero_extendqihi2): Optimize r0/r1 case.
5474 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
5475 * config/m32c/predicates.md (m32c_any_operand): New.
5476 (m32c_nonimmediate_operand): New.
5477 (m32c_hl_operand): New.
5478 (m32c_r3_operand): New.
5481 (memsym_operand): New.
5482 (memimmed_operand): New.
5483 (a_qi_operand): New.
5484 (m32c_eqne_operator): New.
5485 (m32c_1bit8_operand): New.
5486 (m32c_1bit16_operand): New.
5487 (m32c_1mask8_operand): New.
5488 (m32c_1mask16_operand): New.
5489 * config/m32c/blkmov.md: New file.
5490 * config/m32c/t-m32c (MD_FILES): Add blkmov.
5492 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
5494 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
5495 unsigned to fix signed/unsigned comparison issue in
5496 DWARF2_FRAME_REG_OUT.
5497 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
5498 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
5500 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
5501 of ptr into the ENABLE_CHECKING section.
5503 2006-03-08 Jeff Law <law@redhat.com>
5505 * tree-vrp.c (infer_value_range): Only count pointer uses
5506 and dereferences if -fdelete-null-pointer-checks is enabled.
5508 * tree-vrp.c (find_assert_locations): Infer value ranges for
5509 single use pointers, but do not create ASSERT_EXPRs for them.
5510 When a non-null range is inferred for a pointer, backwards
5511 propagate that range to other equivalent pointers through the
5514 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
5517 * Makefile.in (dvi, html, install-info): Invoke the corresponding
5518 language hook targets.
5519 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
5520 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
5521 if language hook targets were missing.
5523 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
5525 * tree-ssa-opfinalize.h: Removed.
5526 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
5528 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
5529 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
5530 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
5531 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
5532 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
5533 finalize_ssa_v_must_def_ops): New.
5535 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
5537 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
5540 2006-03-07 Geoffrey Keating <geoffk@apple.com>
5542 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
5544 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
5545 addresses with offsets; reorganize.
5547 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
5548 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
5549 (expand_builtin_init_dwarf_reg_sizes): Likewise.
5551 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
5554 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
5556 2006-03-08 Ben Elliston <bje@au.ibm.com>
5558 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
5560 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
5563 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
5566 2006-03-07 Richard Guenther <rguenther@suse.de>
5568 PR tree-optimization/26587
5569 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
5571 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5573 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
5575 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5577 * hooks.c (hook_bool_mode_rtx_true): New function.
5578 * hooks.h (hook_bool_mode_rtx_true): Declare.
5579 * toplev.c (compile_file): Call output_shared_constant_pool.
5580 * varasm.c (shared_constant_pool): New variable.
5581 (assemble_start_function, assemble_end_function): Remove arguments
5582 from call to output_constant_pool.
5583 (create_constant_pool): New function, split out from...
5584 (init_varasm_status): ...here.
5585 (force_const_mem): Choose between the shared and per-function constant
5586 pools. Set current_function_uses_const_pool when reusing old entries
5587 as well as when creating new ones.
5588 (mark_constant): Ignore data argument.
5589 (mark_constants): Remove pool argument.
5590 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
5591 to decide whether the function uses a constant pool.
5592 (output_constant_pool_contents): New function, split out from...
5593 (output_constant_pool): ...here.
5594 (output_shared_constant_pool): New function.
5595 (init_varasm_once): Initialize shared_constant_pool.
5596 * output.h (output_constant_pool): Delete.
5597 (output_shared_constant_pool): Declare.
5598 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
5599 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
5601 2006-03-06 Nick Clifton <nickc@redhat.com>
5603 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
5604 flag_strength_reduce.
5606 2006-03-06 Ben Elliston <bje@au.ibm.com>
5608 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
5609 x86_64-*-linux* configurations.
5611 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
5612 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
5614 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5616 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
5618 * basic-block.h: Remove the extern for
5619 rediscover_loops_after_threading.
5621 * cfgloop.c (cancel_loop): Make it static.
5622 * cfgloop.h: Remove the prototype for cancel_loop.
5624 * flow.c (recompute_reg_usage): Make it static.
5625 * rtl.h: Remove the prototype for recompute_reg_usage.
5627 * function.c (use_return_register): Make it static.
5628 * function.h: Remove the prototype.
5630 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5632 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
5634 * recog.h: Remove the prototype for
5635 validate_change_maybe_volatile.
5637 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5639 * rtlanal.c (replace_reg): Remove.
5640 * rtl.h: Remove the prototype for replace_reg.
5642 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5644 * regclass.c (reg_scan_update): Remove.
5645 (reg_scan_mark_refs): Remove the last argument.
5646 * rtl.h: Remove the prototype for reg_scan_update.
5648 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5650 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
5651 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
5652 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
5653 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
5654 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
5655 loop-invariant.c, omp-low.c, opts.c, passes.c,
5656 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
5657 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
5658 tree-ssa-structalias.c, tree-ssa-threadedge.c,
5659 tree-ssa-threadupdate.c, tree-vect-patterns.c,
5660 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
5661 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
5663 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5665 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
5666 * dwarf2out.h: Remove the prototype for
5667 dwarf2out_add_library_unit_info.
5669 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5671 * tree.c (add_var_to_bind_expr): Remove.
5672 * tree.h: Remove the prototype for add_var_to_bind_expr.
5674 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5676 * regclass.c (n_non_fixed_regs): Remove.
5677 (init_reg_sets_1, globalize_reg): Remove all uses of
5679 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
5681 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5683 * rtlanal.c (insns_safe_to_move_p): Remove.
5684 * rtl.h: Remove the prototype for insns_safe_to_move_p.
5686 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5688 * expmed.c (expand_mult_add): Remove.
5689 * expr.h: Remove the prototype for expand_mult_add.
5691 2006-03-04 Jakub Jelinek <jakub@redhat.com>
5693 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
5694 and REG_SAVED_VAL_EXP constants.
5695 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
5696 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
5697 Handle regs stored by value.
5698 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
5699 (execute_cfa_program): Handle DW_CFA_val_offset,
5700 DW_CFA_val_offset_sf and DW_CFA_val_expression.
5701 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
5702 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
5703 (uw_install_context_1): Handle target regs stored by value.
5705 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
5707 * tree-sra.c (tree_sra): Return todoflags;
5708 (generate_one_element): Set TODO_update_smt_usage if needed.
5709 (pass_sra): Remove TODO_update_smt_usage.
5710 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
5712 (tree_ssa_forward_propagate_single_use_vars): Return
5713 TODO_update_smt_usage if we need to update SMT usage.
5714 (pass_forwprop): Remove TODO_update_smt_usage.
5716 2006-03-03 Diego Novillo <dnovillo@redhat.com>
5718 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
5719 (correct_use_link): Remove reference to get_stmt_operands.
5720 (update_stmt_operands): Likewise.
5721 (get_modify_expr_operands): New function factored out of
5722 parse_ssa_operands and get_expr_operands.
5723 Try to create V_MUST_DEFs for LHS by default.
5724 (get_expr_operands) <case MODIFY_EXPR>: Call
5725 get_modify_expr_operands.
5726 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
5727 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
5728 (parse_ssa_operands) <case MODIFY_EXPR>: Call
5729 get_modify_expr_operands.
5731 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
5733 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
5734 * tree-flow.h: Remove the prototype for
5735 referenced_var_lookup_if_exists.
5737 2006-03-03 Steve Ellcey <sje@cup.hp.com>
5739 PR rtl-optimization/26345
5741 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
5743 2006-03-03 Roger Sayle <roger@eyesopen.com>
5745 PR tree-optimization/26524
5746 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
5747 fold_convert to create a constant of the appropriate type.
5749 2006-03-03 Richard Sandiford <richard@codesourcery.com>
5751 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5752 SYMBOL_REF_IN_BLOCK_P.
5753 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
5754 of SYMBOL_FLAG_IN_BLOCK.
5755 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
5756 instead of SYMBOL_REF_IN_BLOCK_P.
5757 * explow.c (use_anchored_address): Likewise.
5758 * rtl.c (rtx_size): Likewise.
5759 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
5760 instead of SYMBOL_FLAG_IN_BLOCK.
5761 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5762 SYMBOL_REF_IN_BLOCK_P.
5763 (assemble_variable): Likewise.
5764 (output_constant_def_contents): Likewise.
5765 (output_constant_pool): Likewise.
5766 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
5767 instead of SYMBOL_FLAG_IN_BLOCK.
5768 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5769 SYMBOL_REF_IN_BLOCK_P.
5770 (SYMBOL_REF_BLOCK): Likewise.
5771 (SYMBOL_REF_OFFSET): Likewise.
5772 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5773 SYMBOL_REF_IN_BLOCK_P.
5774 (SYMBOL_FLAG_IN_BLOCK): Replace with...
5775 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
5776 (SYMBOL_REF_IN_BLOCK_P): Replace with...
5777 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
5779 2006-03-03 Jakub Jelinek <jakub@redhat.com>
5781 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
5783 2006-03-02 Roger Sayle <roger@eyesopen.com>
5785 * simplify-rtx.c (simplify_unary_operation): When simplifying
5786 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
5787 that we perform the right shift in the appropriate mode, and
5788 then extend or truncate the result to requested mode.
5790 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
5792 * gengtype.c (main): Handle double_int type.
5793 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
5794 * double-int.c: New file.
5795 * double-int.h: New file.
5796 * system.h: Include doubleint.h.
5797 * Makefile.in (SYSTEM_H): Include double-int.h.
5798 (double-int.o): Add.
5800 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
5803 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
5806 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5808 * tree-vrp.c (remove_range_assertions): Do not update statements
5811 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5813 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
5815 * gcse.c (rest_of_handle_gcse): Ditto.
5816 * except.c (gate_handle_eh): Ditto.
5817 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
5818 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
5820 2006-03-02 Eric Christopher <echristo@apple.com>
5822 * config/i386/i386.c (machopic_output_stub): Add indirection to
5825 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5829 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
5831 Sun Niagara specific optimizations.
5832 * config.gcc: Recognize niagara as target.
5833 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
5834 (TARGET_CPU_niagara): Define.
5835 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
5836 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
5837 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5838 (ASM_CPU_SPEC): Likewise.
5839 (PROCESSOR_NIAGARA): New enum entry.
5840 (REGISTER_MOVE_COST): Handle Niagara.
5841 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
5842 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
5843 (sparc_override_options): Recognize "niagara", set appropriate
5844 default MASK_* values for it, and align functions to 32-bytes
5845 by default just like ULTRASPARC/ULTRASPARC3.
5846 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
5847 (sparc64_initialize_trampoline): Likewise.
5848 (sparc_use_sched_lookahead): Use zero for niagara.
5849 (sparc_issue_rate): Use one for niagara.
5850 * config/sparc/niagara.md: New file.
5851 * config/sparc/sparc.md: Include it.
5852 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
5853 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
5854 when default cpu is niagara.
5855 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5856 (ASM_CPU_SPEC): Likewise.
5857 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
5858 when default cpu is niagara.
5859 (ASM_CPU_SPEC): Handle -mcpu=niagara.
5860 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
5861 just like v9/ultrasparc/ultrasparc3.
5862 * doc/invoke.texi: Add documentation for "niagara" and improve
5863 existing documentation for ultrasparc variants.
5865 2006-03-02 Diego Novillo <dnovillo@redhat.com>
5867 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
5869 2006-03-02 Richard Sandiford <richard@codesourcery.com>
5871 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
5872 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
5873 and say that only one is needed.
5874 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
5875 * target.h (have_switchable_bss_sections): New hook.
5876 * explow.c (use_anchored_address): Check that the symbol is in a block.
5877 * varasm.c (tls_comm_section, comm_section, lcomm_section)
5878 (bss_noswitch_section): New variables.
5879 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
5880 (get_noswitch_section): New function.
5881 (get_block_for_section): Allow SECT to be null.
5882 (unlikely_text_section_p): Use SECTION_STYLE.
5883 (bss_initializer_p): New function.
5884 (get_variable_section): Move earlier in file. Take a new argument,
5885 prefer_noswitch_p. Move bss checks from assemble_variable to here.
5886 Return one of the new *_sections in such cases.
5887 (get_block_for_decl): New function, extracting some logic from
5888 use_blocks_for_decl_p.
5889 (change_symbol_section): Remove in favor of...
5890 (change_symbol_block): ...this new function.
5891 (use_blocks_for_decl_p): Remove checks now performed by
5893 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
5894 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
5895 (emit_local, emit_bss, emit_common): ...these new functions.
5896 Return true if the alignment was honored.
5897 (emit_tls_common): New function.
5898 (asm_emit_uninitialised): Delete.
5899 (assemble_variable_noswitch): New function, split out from...
5900 (assemble_variable): ...here. Don't make decisions about common
5901 variables here. Globalize all public decls that go into non-common
5902 sections. Check whether SYMBOL_REF_BLOCK is null.
5903 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
5904 (output_constant_pool): Likewise.
5905 (init_varasm_once): Initialize the new section variables.
5906 (have_global_bss_p): New function.
5907 (categorize_decl_for_section): Use bss_initializer_p.
5908 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
5909 (place_block_symbol): Assert that the symbol must be in a block.
5910 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
5911 (TARGET_INITIALIZER): Include it.
5912 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
5913 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
5914 (SECTION_MACH_DEP): Bump by two.
5915 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
5916 (unnamed_section): Mention SECTION_UNNAMED in comment.
5917 (named_section): Likewise SECTION_NAMED.
5918 (noswitch_section_callback): New type.
5919 (noswitch_section): New structure.
5920 (section): Add a noswitch_section alternative.
5921 (SECTION_STYLE): New macro.
5922 (tls_comm_section, comm_section, lcomm_section): Declare.
5923 (bss_noswitch_section, have_global_bss_p): Declare.
5924 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5925 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5927 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5928 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5931 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
5933 * tree-vrp.c (execute_vrp): Return value.
5934 * regrename.c (rest_of_handle_regrename): Ditto.
5935 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
5936 * tree-complex.c (tree_lower_complex): Ditto.
5937 (tree_lower_complex_O0): Ditto.
5938 * tracer.c (rest_of_handle_tracer): Ditto.
5939 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
5940 * postreload.c (rest_of_handle_postreload): Ditto.
5941 * tree-tailcall.c (execute_tail_recursion): Ditto.
5942 (execute_tail_calls): Ditto.
5943 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5944 * tree.h (init_function_for_compilation): Ditto.
5945 * ipa-cp.c (ipcp_driver): Ditto.
5946 * tree-scalar-evolution.c (scev_const_prop): Ditto.
5947 * tree-scalar-evolution.h (scev_const_prop): Ditto.
5948 * final.c (compute_alignments): Ditto.
5949 (rest_of_handle_final): Ditto.
5950 (rest_of_handle_shorten_branches): Ditto.
5951 (rest_of_clean_state): Ditto.
5952 * omp-low.c (execute_expand_omp): Ditto.
5953 (execute_lower_omp): Ditto.
5954 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
5955 * ipa-reference.c (static_execute): Ditto.
5956 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
5957 * reorg.c (rest_of_handle_delay_slots): Ditto.
5958 (rest_of_handle_machine_reorg): Ditto.
5959 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
5960 * flow.c (recompute_reg_usage): Ditto.
5961 (rest_of_handle_remove_death_notes): Ditto.
5962 (rest_of_handle_life): Ditto.
5963 (rest_of_handle_flow2): Ditto.
5964 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
5965 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
5966 (do_ssa_store_ccp): Ditto.
5967 (execute_fold_all_builtins): Ditto.
5968 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
5969 * modulo-sched.c (rest_of_handle_sms): Ditto.
5970 * ipa-pure-const.c (static_execute): Ditto.
5971 * cse.c (rest_of_handle_cse): Ditto.
5972 (rest_of_handle_cse2): Ditto.
5973 * web.c (rest_of_handle_web): Ditto.
5974 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
5975 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
5976 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
5977 * tree-nrv.c (tree_nrv): Ditto.
5978 (execute_return_slot_opt): Ditto.
5979 * tree-ssa-alias.c (compute_may_aliases): Ditto.
5980 (create_structure_vars): Ditto.
5981 * loop-init.c (rtl_loop_init): Ditto.
5982 (rtl_loop_done): Ditto.
5983 (rtl_move_loop_invariants): Ditto.
5984 (rtl_unswitch): Ditto.
5985 (rtl_unroll_and_peel_loops): Ditto.
5986 (rtl_doloop): Ditto.
5987 * gimple-low.c (lower_function_body): Ditto.
5988 (mark_used_blocks): Ditto.
5989 * tree-ssa-sink.c (execute_sink_code): Ditto.
5990 * ipa-inline.c (cgraph_decide_inlining): Ditto.
5991 (cgraph_early_inlining): Ditto.
5992 * global.c (rest_of_handle_global_alloc): Ditto.
5993 * jump.c (cleanup_barriers): Ditto.
5994 (purge_line_number_notes): Ditto.
5995 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
5996 (rest_of_handle_if_after_reload): Ditto.
5997 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
5998 (tree_ssa_loop_im): Ditto.
5999 (tree_ssa_loop_unswitch): Ditto.
6000 (tree_vectorize): Ditto.
6001 (tree_linear_transform): Ditto.
6002 (tree_ssa_loop_ivcanon): Ditto.
6003 (tree_ssa_empty_loop): Ditto.
6004 (tree_ssa_loop_bounds): Ditto.
6005 (tree_complete_unroll): Ditto.
6006 (tree_ssa_loop_prefetch): Ditto.
6007 (tree_ssa_loop_ivopts): Ditto.
6008 (tree_ssa_loop_done): Ditto.
6009 * predict.c (tree_estimate_probability): Ditto.
6010 * recog.c (split_all_insns_noflow): Ditto.
6011 (rest_of_handle_peephole2): Ditto.
6012 (rest_of_handle_split_all_insns): Ditto.
6013 * tree-eh.c (lower_eh_constructs): Ditto.
6014 * regmove.c (rest_of_handle_regmove): Ditto.
6015 (rest_of_handle_stack_adjustments): Ditto.
6016 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
6017 * function.c (instantiate_virtual_regs): Ditto.
6018 (init_function_for_compilation): Ditto.
6019 (rest_of_handle_check_leaf_regs): Ditto.
6020 * gcse.c (rest_of_handle_jump_bypass): Ditto.
6021 (rest_of_handle_gcse): Ditto.
6022 * ipa-type-escape.c (type_escape_execute): Ditto.
6023 * alias.c (rest_of_handle_cfg): Ditto.
6024 * tree-if-conv.c (main_tree_if_conversion): Ditto.
6025 * profile.c (rest_of_handle_branch_prob): Ditto.
6026 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
6027 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
6028 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
6029 * tree-dfa.c (find_referenced_vars): Ditto.
6030 * except.c (set_nothrow_function_flags): Ditto.
6031 (convert_to_eh_region_ranges): Ditto.
6032 (rest_of_handle_eh): Ditto.
6033 * emit-rtl.c (unshare_all_rtl): Ditto.
6034 (remove_unnecessary_notes): Ditto.
6035 * except.h (set_nothrow_function_flags): Ditto.
6036 (convert_to_eh_region_ranges): Ditto.
6037 * cfgexpand.c (tree_expand_cfg): Ditto.
6038 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
6039 * tree-ssa-pre.c (do_pre): Ditto.
6040 (execute_fre): Ditto.
6041 * cfgcleanup.c (rest_of_handle_jump): Ditto.
6042 (rest_of_handle_jump2): Ditto.
6043 * tree-sra.c (tree_sra): Ditto.
6044 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
6045 (execute_mudflap_function_decls): Ditto.
6046 * tree-ssa-copy.c (do_copy_prop): Ditto.
6047 (do_store_copy_prop): Ditto.
6048 * ipa-prop.h (ipcp_driver): Ditto.
6049 * cfglayout.c (insn_locators_initialize): Ditto.
6050 * tree-ssa-forwprop.c
6051 (tree_ssa_forward_propagate_single_use_vars): Ditto.
6052 * cfglayout.h (insn_locators_initialize): Ditto.
6053 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
6054 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
6055 (execute_late_warn_uninitialized): Ditto.
6056 * rtl.h (cleanup_barriers): Ditto.
6057 (split_all_insns_noflow): Ditto.
6058 (purge_line_number_notes): Ditto.
6059 (unshare_all_rtl): Ditto.
6060 (remove_unnecessary_notes): Ditto.
6061 (recompute_reg_usage): Ditto.
6062 (variable_tracking_main): Ditto.
6063 * integrate.c (emit_initial_value_sets): Ditto.
6064 * integrate.h (emit_initial_value_sets): Ditto.
6065 * tree-optimize.c (execute_free_datastructures): Ditto
6066 (execute_free_cfg_annotations): Ditto.
6067 (execute_fixup_cfg): Ditto.
6068 (execute_cleanup_cfg_pre_ipa): Ditto.
6069 (execute_cleanup_cfg_post_optimizing): Ditto.
6070 (execute_init_datastructures): Ditto.
6071 * tree-object-size.c (compute_object_sizes): Ditto.
6072 * combine.c (rest_of_handle_combine): Ditto.
6073 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
6074 * bb-reorder.c (duplicate_computed_gotos): Ditto.
6075 (rest_of_handle_reorder_blocks): Ditto.
6076 (rest_of_handle_partition_blocks): Ditto.
6077 * var-tracking.c (variable_tracking_main): Ditto.
6078 * tree-profile.c (tree_profiling): Ditto.
6079 * tree-vect-generic.c (expand_vector_operations): Ditto.
6080 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
6081 * sched-rgn.c (rest_of_handle_sched): Ditto.
6082 (rest_of_handle_sched2): Ditto.
6083 * basic-block.h (free_bb_insn): Ditto.
6084 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
6085 * tree-cfg.c (execute_build_cfg): Ditto.
6086 (remove_useless_stmts): Ditto.
6087 (split_critical_edges): Ditto.
6088 (execute_warn_function_return): Ditto.
6089 (execute_warn_function_noreturn): Ditto.
6090 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
6091 * cfgrtl.c (free_bb_for_insn): Ditto.
6092 * passes.c (execute_one_pass): Run additional
6093 todos returned by execute function.
6094 * tree-pass.h (struct tree_opt_pass): Make execute
6097 2006-03-02 Richard Guenther <rguenther@suse.de>
6099 * tree-ssa-alias.c (find_used_portions): Consider taking
6100 the address as making the variable not write-only.
6102 2006-03-02 Nick Clifton <nickc@redhat.com>
6104 * config.gcc (default_use_cxa_atexit): Extend the description of
6105 this configure variable. Set its default value to "yes" for
6106 Linux, NetBSD and ELF targets on the assumption that they will
6107 use C libraries with the __cxa_atexit function.
6109 2006-03-02 Ben Elliston <bje@au.ibm.com>
6111 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
6112 parameter as unused to suppress a build warning.
6114 2006-03-02 Ben Elliston <bje@au.ibm.com>
6116 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
6119 2006-03-01 Roger Sayle <roger@eyesopen.com>
6122 * gthr-posix.h (__gthrw2): Define to take three parameters, the
6123 declared name, the weak reference name, and the typeof name.
6124 (__gthrw): Avoid expanding the declared name suffix.
6125 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
6127 2006-03-01 Jakub Jelinek <jakub@redhat.com>
6129 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
6131 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
6132 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
6133 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
6134 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
6135 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
6136 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
6137 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
6138 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
6139 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
6140 DW_DS_leading_separate, DW_DS_trailing_separate): New.
6141 (DW_END_default, DW_END_big, DW_END_little): New.
6142 (DW_END_lo_user, DW_END_hi_user): Define.
6143 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
6144 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
6145 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
6148 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6150 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
6152 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
6154 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
6156 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
6158 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
6159 to 'symbol_mem_tag'.
6161 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
6164 2006-03-01 Roger Sayle <roger@eyesopen.com>
6166 * builtins.c (fold_builtin_copysign): Delete unreachable code.
6168 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6171 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
6172 MACHO_DYNAMIC_NO_PIC_P.
6173 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
6175 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6178 * config/darwin-protos.h (darwin_asm_output_anchor):
6180 * config/darwin-sections.def (cstring_section):
6181 Add SECTION_MERGE to the flags.
6182 (literal4_section): Likewise.
6183 (literal8_section): Likewise.
6184 (objc_selector_refs_section): Likewise.
6185 (objc_cls_refs_section): Likewise.
6186 * config/darwin.c (darwin_asm_output_anchor): New
6188 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6190 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
6192 Fix PR tree-optimization/26443
6193 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
6194 to todo and PROP_tmt_usage to properties_destroyed.
6195 * tree-ssa-ccp.c (pass_ccp): Ditto.
6196 (pass_store_ccp): Ditto.
6197 * tree-ssa-dom.c (pass_dominator): Ditto.
6199 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6201 * tree-ssa-operands.c: Cleanup whitespace.
6202 (get_asm_expr_operands): Move before first invocation.
6203 (get_indirect_ref_operands): Likewise.
6204 (get_tmr_operands): Likewise.
6205 (get_call_expr_operands): Likewise.
6206 (append_def): Likewise.
6207 (append_use): Likewise.
6208 (append_v_may_def): Likewise.
6209 (append_v_must_def): Likewise.
6210 (add_call_clobber_ops): Likewise.
6211 (add_call_read_ops): Likewise.
6212 (add_stmt_operand): Likewise.
6213 (add_virtual_operand): Likewise.
6214 (build_ssa_operands): Likewise.
6216 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6221 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6222 with a call expr to ...
6223 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6225 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6227 * tree-vrp.c (extract_range_from_assert): Remove special
6228 handling for types with super-types.
6230 2006-03-01 Ben Elliston <bje@au.ibm.com>
6232 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
6233 and powerpc64-*-linux* configurations.
6234 * config/t-dfprules: New file.
6236 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
6237 Compile dfp-bit.c from the source directory using -DWIDTH and
6238 $DFP_CFLAGS to control the compilation of that file, rather than
6239 generating width-specific versions in the build directory.
6240 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
6241 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
6243 2006-02-28 Zack Weinberg <zackw@panix.com>
6245 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
6248 2006-02-28 Eric Christopher <echristo@apple.com>
6250 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
6251 Set up IN_LIBGCC definition of TARGET_64BIT.
6252 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
6254 2006-02-28 Roger Sayle <roger@eyesopen.com>
6257 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
6258 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
6259 cases via the construction of "expr != 0".
6261 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
6263 * alias.c (alias_invariant, alias_invariant_size): Remove.
6264 (record_base_value): Remove.
6265 (memrefs_conflict_p): Don't look at alias_invariant.
6266 (end_alias_analysis): Don't free it.
6267 * alias.h (record_base_value): Remove prototype.
6269 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
6270 Adam Nemet <anemet@caviumnetworks.com>
6272 * rtl.h (truncated_to_mode): Declare it.
6273 (struct rtl_hooks): Add reg_truncated_to_mode hook.
6274 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
6275 (RTL_HOOKS_INITIALIZER): Include it.
6276 * rtlhooks.c (reg_truncated_to_mode_general): New function.
6277 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
6278 reg_truncated_to_mode.
6279 * rtlanal.c (truncated_to_mode): Define it.
6280 * simplify-rtx.c (simplify_unary_operation_1): Use it.
6282 2006-02-28 Jeff Law <law@redhat.com>
6284 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
6285 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
6286 the range allowed by TYPE_PRECISION.
6288 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
6290 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
6292 PR tree-optimization/26419
6293 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
6296 2006-02-27 Zack Weinberg <zackw@panix.com>
6298 * doc/md.texi: Fix typo in previous change.
6300 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
6304 2006-02-27 Zack Weinberg <zackw@panix.com>
6306 * rtl.def (define_constraint, define_register_constraint)
6307 (define_memory_constraint, define_address_constraint): New MD forms.
6308 * gensupport.c (process_rtx): Put define_constraint etc on the
6310 * genpreds.c (process_define_predicate): Adjust comment. Validate
6311 the name, and call validate_exp to validate the expression.
6312 (mark_mode_tests, write_extract_subexp): Can assume correct input.
6313 (write_predicate_expr): Likewise. NAME argument no longer necessary;
6314 all callers changed.
6315 (validate_exp, needs_variable, struct constraint_data)
6316 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
6317 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
6318 (const_dbl_constraints, constraint_max_namelen)
6319 (have_register_constraints, have_memory_constraints)
6320 (have_address_constraints, have_address_constraints)
6321 (have_extra_constraints, have_const_int_constraints)
6322 (have_const_dbl_constraints, mangle, add_constraint)
6323 (process_define_constraint, process_define_register_constraint)
6324 (write_enum_constraint_num, write_lookup_constraint)
6325 (write_insn_constraint_len, write_regclass_for_constraint)
6326 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
6327 (write_insn_extra_memory_constraint)
6328 (write_insn_extra_address_constraint)
6329 (write_satisfies_constraint_fns): New.
6330 (write_tm_preds_h): If we have new-style constraint definitions,
6331 prototype the functions generated from them, and define the
6332 old constraint interface (still used by generic code) in terms of
6334 (write_insn_preds_c): If we have new-style constraint definitions,
6335 generate all relevant functions from those definitions.
6336 (main): Handle define_constraint etc.
6337 * genoutput.c (struct constraint_data, indep_constraints)
6338 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
6339 (mdep_constraint_len): New data structures and functions, defined
6340 #ifdef USE_MD_CONSTRAINTS.
6341 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
6342 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
6343 use new logic to validate operand constraints against constraint
6345 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
6347 * defaults.h: If none of the old-style constraint macros are
6348 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
6349 old-style macros; and poison REG_CLASS_FROM_LETTER,
6350 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
6352 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
6353 * doc/md.texi: Document new constraint-definition mechanism and the
6354 C interface it provides. Remove references to old mechanism
6355 elsewhere in the document.
6356 (Machine Constraints): Use pathnames relative to gcc directory,
6357 i.e. config/ARCH/FILE. Change i386 section to refer to
6358 config/i386/predicates.md; update that section to match docstrings.
6359 * doc/tm.texi: Move all documentation of the old constraint-
6360 definition macros to their own section, clearly mark as obsolete.
6362 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
6363 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
6365 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
6366 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
6367 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
6369 (splits and peepholes): Use satisfies_constraint_*.
6370 * config/i386/i386.c (memory_address_length)
6371 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
6373 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6375 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
6376 scalar operation to be put back into the loop.
6378 2006-02-27 Jakub Jelinek <jakub@redhat.com>
6381 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
6382 (extract_cie_info): Handle S flag in augmentation string.
6383 (execute_cfa_program): If context->signal_frame, execute also
6384 fs->pc == context->ra instructions.
6385 (uw_frame_state_for): If context->signal_frame, don't subtract one
6386 from context->ra to find FDE.
6387 (uw_update_context_1): Set context->signal_frame to
6389 (_Unwind_GetIPInfo): New function.
6390 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
6391 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
6393 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
6394 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
6395 * unwind-compat.c (_Unwind_GetIPInfo): New function.
6396 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
6397 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
6398 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
6399 * config/i386/linux-unwind.h (x86_fallback_frame_state,
6400 x86_64_fallback_frame_state): Set fs->signal_frame.
6401 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
6402 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
6403 (frob_update_context): Likewise. Workaround missing S flag in
6404 Linux 2.6.12 - 2.6.16 kernel vDSOs.
6405 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
6406 Remove the psw_addr + 1 hack.
6408 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6410 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
6411 with aggregates here.
6412 (find_func_aliases): Remove code for &<aggregate> from here.
6414 2006-02-26 Roger Sayle <roger@eyesopen.com>
6416 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
6417 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
6418 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
6421 2006-02-26 Roger Sayle <roger@eyesopen.com>
6424 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
6426 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
6428 * opts.c (decode_options): Do not handle flag_strength_reduce.
6429 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
6430 and OPT_fstrength_reduce.
6431 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
6432 flag_prefetch_loop_arrays for being nonzero.
6433 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
6435 (fprefetch-loop-arrays-rtl): Removed.
6436 (flag_prefetch_loop_arrays): Do not specify the value.
6438 * doc/passes.texi: Update documentation of loop optimizer
6440 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
6441 -frerun-loop-opt): Remove.
6443 2006-02-26 Richard Guenther <rguenther@suse.de>
6445 PR tree-optimization/26421
6446 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
6447 in function calls that are ADDR_EXPRs as using the whole structure.
6449 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
6451 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
6452 * tree-pass.h (pass_loop_optimize): Remove.
6453 * passes.c (pass_loop_optimize): Never run it.
6454 * toplev.c (backend_init): Don't call init_loop.
6455 * opts.c (flag_loop_optimize_set): Remove.
6456 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
6457 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
6458 the old RTL loop optimizer when profiling enabled.
6459 * predict.c (tree_estimate_probability): Always strip builtin_expect.
6460 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
6461 pre-headers for the sake of the old RTL loop optimizer.
6462 * Makefile.in: Remove all references to loop.o.
6464 * doc/invoke.texi: Remove all references to -floop-optimize
6465 and -frerun-loop-opt.
6467 2006-02-26 Zack Weinberg <zackw@panix.com>
6469 * doc/md.texi (Machine Constraints): Refer to all files with paths
6470 relative to gcc directory (i.e. config/CPU/file). Add missing
6471 @table @code ... @end table to M32C subsection.
6473 2006-02-26 Roger Sayle <roger@eyesopen.com>
6475 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
6477 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
6479 2006-02-26 Roger Sayle <roger@eyesopen.com>
6480 James A. Morrison <phython@gcc.gnu.org>
6483 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
6484 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
6485 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
6486 signedness of the shift operation.
6488 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
6490 PR tree-optimization/26359
6491 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
6493 2006-02-25 Roger Sayle <roger@eyesopen.com>
6495 * simplify-rtx.c (simplify_relational_operation_1): Simplify
6496 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
6497 as X == 0, and some symmetry related transformations.
6498 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
6500 2006-02-25 Roger Sayle <roger@eyesopen.com>
6503 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
6504 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
6505 symmetry related transformations. Fold (X^C1) == C2 as
6508 2006-02-25 Juergen Weigert <jw@suse.de>
6509 Richard Guenther <rguenther@suse.de>
6511 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
6513 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
6515 * combine.c (gen_lowpart_or_truncate): Call
6516 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
6518 2006-02-24 Diego Novillo <dnovillo@redhat.com>
6520 * doc/invoke.texi: Move -fopenmp description to "Options for
6522 Remove reference to -lgomp.
6524 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6526 * doc/install.texi: Require GNU tar version 1.14.
6528 2006-02-24 Geoffrey Keating <geoffk@apple.com>
6530 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
6531 * doc/invoke.texi (C++ Dialect Options): Document
6532 -fno-use-cxa-get-exception-ptr.
6533 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
6534 * configure: Regenerate.
6535 * c.opt (fuse-cxa-get-exception-ptr): New.
6536 * c-opts.c (c_common_handle_option): Handle
6537 OPT_fuse_cxa_get_exception_ptr.
6538 * c-common.c (flag_use_cxa_atexit): Update documentation.
6539 (flag_use_cxa_get_exception_ptr): New.
6540 * c-common.h (flag_use_cxa_get_exception_ptr): New.
6541 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
6543 (C_COMMON_OVERRIDE_OPTIONS): New.
6545 2006-02-24 Roger Sayle <roger@eyesopen.com>
6548 * combine.c (try_combine): Explicitly check whether GET_CODE is
6549 a SET or a CLOBBER, instead on checking that it isn't a USE.
6551 2006-02-24 Roger Sayle <roger@eyesopen.com>
6553 * fold-const.c (fold_comparison): New subroutine of fold_binary
6554 containing transformations common to both the equality and
6555 ordering relational operators, factored out of fold_binary.
6556 (fold_binary): Separate out the equality operators (EQ_EXPR
6557 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
6558 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
6559 transformations common to both.
6560 (fold_div_compare): Fix latent bugs in the previously unreachable
6561 LT_EXPR and GE_EXPR cases.
6563 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6565 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
6566 decl libname for clog to __clog on AIX.
6568 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
6570 2006-02-24 Alan Modra <amodra@bigpond.net.au>
6573 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
6574 output traceback table for thunks. Localise rs6000_stack_info call.
6576 2006-02-23 Roger Sayle <roger@eyesopen.com>
6577 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6579 * gthr-posix.h (__gthrw): Fix typo in comment.
6581 2006-02-23 Geoffrey Keating <geoffk@apple.com>
6583 * doc/cpp.texi (Character sets): Document that we do support
6584 input files to be in any character set.
6586 2006-02-23 Jeff Law <law@redhat.com>
6588 * tree.h (PHI_ARG_NONZERO): Remove.
6589 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
6590 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
6591 node to the new node.
6593 PR tree-optimization/26425
6594 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
6595 min/max, then assume its varying.
6597 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6599 PR rtl-optimization/26316
6600 * rtlanal.c (enum may_trap_p_flags): New.
6601 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
6602 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
6603 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
6604 (may_trap_after_code_motion_p): New function.
6605 * loop-invariant.c (find_identical_invariants): Fix dump formating.
6606 (find_invariant_insn): Use may_trap_after_code_motion_p.
6607 * rtl.h (may_trap_after_code_motion_p): Declare.
6609 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6611 * emit-rtl.c (immed_double_const): Cleanup.
6613 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
6615 Fix PR tree-optimization/26376
6616 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
6619 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6622 * gimplify.c (omp_add_variable): Guard variable size decl test with
6623 DECL_SIZE (decl) check.
6625 2006-02-23 Richard Guenther <rguenther@suse.de>
6628 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
6629 like aggregate types.
6631 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6633 * configure.ac: Add --with{,out}-long-double-128 configure option.
6634 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
6635 * configure: Rebuilt.
6636 * config.in: Rebuilt.
6637 * doc/install.texi (Options specification): Document
6638 --with-long-double-128.
6640 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6641 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6642 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6643 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6645 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
6647 * config/s390/s390.c (override_options): Handle
6648 TARGET_DEFAULT_LONG_DOUBLE_128.
6650 * config/alpha/alpha.c (override_options): Handle
6651 TARGET_DEFAULT_LONG_DOUBLE_128.
6653 * config/sparc/sparc.c (sparc_override_options): Handle
6654 TARGET_DEFAULT_LONG_DOUBLE_128.
6656 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
6658 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
6659 (real-install-headers-tar, real-install-headers-cpio)
6660 (real-install-headers-cp): New targets.
6662 2006-02-22 Richard Sandiford <richard@codesourcery.com>
6664 * tree.h (variable_section): Delete.
6665 * varasm.c (variable_section): Delete.
6667 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
6669 * install.texi: Add notes on install.texi2html.
6670 (Building in parallel): Do not use footnotes.
6672 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
6675 * doc/install.texi (Configuration): Document --disable-libgomp.
6677 2006-02-21 Geoffrey Keating <geoffk@apple.com>
6679 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
6681 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6683 * config/i386/sse.md (vec_extractv2df_1_sse): New.
6684 (vec_extractv2df_0_sse): New.
6686 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6688 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
6689 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
6690 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
6691 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
6692 to the result of the expression.
6693 (def_cfa_1): Adjust.
6694 (frame_pointer_cfa_offset): Rename to...
6695 (frame_pointer_fb_offset): ... this. Adjust all uses.
6696 (convert_cfa_to_loc_list): Rename to...
6697 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
6698 Pass it on to build_cfa_loc.
6699 (compute_frame_pointer_to_cfa_displacement): Rename to...
6700 (compute_frame_pointer_to_fb_displacement): ... this. New
6701 offset parameter. Use it in computation.
6702 (gen_subprogram_die): Compute cfa_fb_offset with the new
6703 macro, and use it to compute the fb loc list and the
6706 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
6708 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
6709 replaced with register_operand.
6710 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
6711 non-DREG is expensive.
6712 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
6713 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
6716 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
6718 * doc/install.texi2html: Use set -e.
6720 2006-02-21 Richard Sandiford <richard@codesourcery.com>
6722 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6723 (ASM_OUTPUT_SHARED_LOCAL): Delete.
6724 * doc/invoke.texi (-fshared-data): Delete.
6725 * common.opt (fshared-data): Delete.
6726 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
6727 (assemble_static_space): Remove #if 0 code.
6728 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6729 (ASM_OUTPUT_SHARED_LOCAL): Poison.
6730 * config/cris/cris.h: Remove FIXME.
6732 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
6734 * doc/sourcebuild.texi (Front End Directory): No more double-colon
6737 2006-02-21 Jakub Jelinek <jakub@redhat.com>
6740 * combine.c (simplify_shift_const_1): Disable nested shifts
6741 optimization for vector shifts.
6743 2006-02-20 Roger Sayle <roger@eyesopen.com>
6745 PR tree-optimization/26361
6746 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
6747 of unsigned integer types.
6749 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
6751 * tree-chrec.c (eq_evolutions_p): New.
6752 * tree-chrec.h (eq_evolutions_p): Declared.
6753 * tree-data-ref.c: Fix formatting.
6754 (datadep_stats, dependence_stats): New.
6756 (print_direction_vector): New.
6757 (dump_data_dependence_relation): Use print_direction_vector.
6758 (object_analysis, create_data_ref): Handle COMPONENT_REF.
6759 (compute_subscript_distance): Static.
6760 (initialize_data_dependence_relation): Static. Get the number
6761 of loops surrounding the references from the callers, and initialize
6762 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
6763 base_object_differ_p analyzers.
6764 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
6765 compute_overlap_steps_for_affine_1_2,
6766 analyze_subscript_affine_affine): Count the classified dependences.
6767 Print a message when a test failed.
6768 (can_use_analyze_subscript_affine_affine): New.
6769 (analyze_siv_subscript): Compute the data dependences on symbolic
6770 scevs that verify can_use_analyze_subscript_affine_affine.
6771 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
6772 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
6773 Handle symbolic scevs.
6774 (analyze_overlapping_iterations): Let symbolic affine scevs to be
6776 (subscript_dependence_tester): Moved...
6777 (build_classic_dist_vector, build_classic_dir_vector): Don't use
6778 lambda_vector_clear on newly allocated vectors. Get nb_loops from
6779 DDR_SIZE_VECT instead of getting it in parameter.
6780 (subscript_dependence_tester): ... here. Take as a parameter
6781 loop_nest_depth. Call build_classic_dist_vector and
6782 build_classic_dir_vector.
6783 (compute_affine_dependence): Update subscript_dependence_tester
6784 parameters. Update datadep_stats counters. Call
6785 compute_subscript_distance.
6786 (compute_self_dependence): Save the dist and dir vectors. Call
6787 compute_subscript_distance.
6788 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
6789 (compute_all_dependences): Reorder parameters as they were before
6790 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
6791 compute_subscript_distance. Update the use of
6792 compute_affine_dependence and initialize_data_dependence_relation.
6793 (find_data_references_in_loop): Handle COMPONENT_REF.
6794 (compute_data_dependences_for_loop): Initialize dependence_stats.
6795 Don't call build_classic_dist_vector and build_classic_dir_vector.
6796 Update the parameters of initialize_data_dependence_relation and
6797 compute_all_dependences. Print the statistics from datadep_stats.
6798 (analyze_all_data_dependences): Static. Not used until the pass for
6799 checking the data dependences is contributed.
6800 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
6801 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
6802 (initialize_data_dependence_relation, compute_affine_dependence,
6803 analyze_all_data_dependences, compute_subscript_distance): Removed.
6804 (print_direction_vector): New.
6805 * lambda.h (gcd): ... here.
6806 (lambda_vector_gcd): Moved here from gcd_vector.
6807 * lambda-code.c (gcd, gcd_vector): Removed.
6808 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
6809 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
6811 2006-02-20 Diego Novillo <dnovillo@redhat.com>
6813 * ipa-type-escape.c: Tidy some comments and white space.
6814 * tree-ssa-operands.c: Likewise.
6816 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
6819 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
6820 (dump_decl_name): Do not walk the decl tree chains.
6821 * tree-pass.h (TDF_CHAIN): Remove.
6823 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6825 * Makefile.in (C): Remove
6827 (.PHONY): Remove C and PROTO
6829 2006-02-20 Roger Sayle <roger@eyesopen.com>
6832 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
6833 deprecated CHAR_TYPE tree code.
6835 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6837 * configure.ac (target_list): Add install-info, dvi, html.
6838 * configure: Regenerate.
6840 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
6841 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
6842 treelang/Make-lang.in: Do not use double-colon rules.
6844 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
6846 * tree.h (struct tree_memory_tag): Add is_used_alone member.
6847 (TMT_USED_ALONE): New macro.
6848 * tree-pass.h (PROP_tmt_usage): New property.
6849 (TODO_update_tmt_usage): New todo.
6850 * tree-ssa-alias.c (updating_used_alone): New variable.
6851 (recalculate_used_alone): New function.
6852 (compute_may_aliases): Set updating_used_alone, call
6853 recalculate_used_alone.
6854 * tree-sra.c (pass_sra): Note that this pass destroys
6855 PROP_tmt_usage, and add TODO_update_tmt_usage.
6856 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
6857 * tree-flow.h (updating_used_alone): Prototype.
6858 (recalculate_used_alone): Ditto.
6859 * passes.c (execute_todo): Add code to set updating_used_alone,
6860 and call recalculate.
6861 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
6862 for clobber if used alone, and add assert to verify used_alone
6865 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
6867 * config/s390/s390.c (legitimize_pic_address): Assertions checking
6868 for non tls symbols added.
6869 (legitimize_address): Do nothing for PLUS expressions if one of the
6870 addends is a tls symbol reference.
6872 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6876 * Makefile.in (LDFLAGS): Define from autoconf substitution.
6878 * Makefile.in (BOOTSTRAPPING): New.
6879 (quickstrap): New definition if BOOTSTRAPPING=yes.
6881 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
6882 * configure.ac: Substitute all_selected_languages with the languages
6883 that were configured. For all the other variables except
6884 lang_specs_files, include all the languages in the tree.
6885 * configure: Regenerate.
6887 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
6888 if there is one. Run the commands to run fixincludes in the same
6891 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
6892 * doc/install.texi: Document exact conventions for searching target tools.
6893 Document --with-build-time-tools. Document toplevel bootstrap. Document
6894 something more about building an Ada cross-compiler. Don't list GNU Make
6895 requirements which affect all platforms.
6897 2006-02-19 Roger Sayle <roger@eyesopen.com>
6900 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
6901 only equivalent if the have both the same mode and precision.
6903 2006-02-20 Ben Elliston <bje@au.ibm.com>
6905 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
6907 2006-02-19 Roger Sayle <roger@eyesopen.com>
6908 Steven Bosscher <stevenb.gcc@gmail.com>
6910 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
6911 constant pool references to identify stack mode constants.
6912 * rtlanal.c (constant_pool_constant_p): New predicate to check
6913 whether operand is a floating point constant in the pool.
6914 * rtl.h (constant_pool_constant_p): Prototype here.
6915 * loop.c (scan_loop): Avoid hoisting constants from the constant
6916 pool on STACK_REGS targets.
6917 (load_mems): Likewise.
6918 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
6919 loads into x87 registers expensive in terms of register pressure.
6921 2006-02-19 Roger Sayle <roger@eyesopen.com>
6923 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
6924 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
6926 2006-02-19 David Edelsohn <edelsohn@gnu.org>
6928 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6929 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
6931 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
6933 * doc/invoke.texi: Document -fipa-pta.
6934 * common.opt: Add ipa-pta option.
6935 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
6936 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
6937 (do_ds_constraint): Ditto.
6938 (get_constraint_for): Only add to referenced_vars if
6939 referenced_vars exists.
6940 (insert_into_field_list): Rewrite to do this unsorted.
6941 (insert_into_field_list_sorted): Rename old insert_into_field_list
6943 (create_function_info_for): Use insert_into_field_list_sorted.
6944 (create_variable_info_for): Rewrite so it uses unsorted version,
6945 since the field list is sorted.
6946 (intra_create_variable_infos): Only add to referenced_vars if
6947 referenced_vars exists.
6948 (ipa_pta_execute): Init heapvars, and delete when done.
6949 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
6951 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6953 * doc/install.texi: Add missing `@samp'.
6955 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6957 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
6960 2006-02-18 Mark Wielaard <mark@klomp.org>
6962 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
6963 who added new 4.1 features, bug fixes and integration support.
6965 2006-02-18 David Edelsohn <edelsohn@gnu.org>
6968 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
6971 2006-02-18 Richard Sandiford <richard@codesourcery.com>
6973 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
6974 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
6975 (copy_insn_1): Likewise. Don't copy each field individually.
6977 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
6979 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
6980 * rtl.c (rtx_size): Rename variable to...
6981 (rtx_code_size): ...this.
6982 (rtx_size): New function.
6983 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
6984 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
6986 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
6987 * rtl.h (rtx_code_size): New variable.
6988 (rtx_size): Change from a variable to a function.
6989 (RTX_SIZE): Rename to...
6990 (RTX_CODE_SIZE): ...this.
6993 PR tree-optimization/17106
6994 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
6995 (Anchored Addresses): New section.
6996 * doc/invoke.texi (-fsection-anchors): Document.
6997 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
6998 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
6999 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
7000 * hooks.c (hook_bool_mode_rtx_false): New function.
7001 * hooks.h (hook_bool_mode_rtx_false): Declare.
7002 * gengtype.c (create_optional_field): New function.
7003 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
7004 SYMBOL_REF_IN_BLOCK_P is true.
7005 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
7006 (min_anchor_offset, max_anchor_offset): Likewise.
7007 (use_anchors_for_symbol_p): New hook.
7008 * toplev.c (compile_file): Call output_object_blocks.
7009 (target_supports_section_anchors_p): New function.
7010 (process_options): Check that -fsection-anchors is only used on
7011 targets that support it and when -funit-at-a-time is in effect.
7012 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
7013 if the decl doesn't have one.
7014 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
7015 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
7016 of force_const_mem through use_anchored_address.
7017 (expand_expr_constant): New function.
7018 (expand_expr_addr_expr_1): Call it. Use the same modifier when
7019 calling expand_expr for INDIRECT_REF.
7020 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
7021 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
7022 * expr.h (use_anchored_address): Declare.
7023 * loop-unroll.c: Don't declare rtx vectors here.
7024 * explow.c: Include output.h.
7025 (validize_mem): Call use_anchored_address.
7026 (use_anchored_address): New function.
7027 * common.opt (-fsection-anchors): New switch.
7028 * varasm.c (object_block_htab, anchor_labelno): New variables.
7029 (hash_section, object_block_entry_eq, object_block_entry_hash)
7030 (use_object_blocks_p, get_block_for_section, create_block_symbol)
7031 (use_blocks_for_decl_p, change_symbol_section): New functions.
7032 (get_variable_section): New function, split out from assemble_variable.
7033 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
7034 use_blocks_for_decl_p say so. Use change_symbol_section if the
7035 symbol has already been created.
7036 (assemble_variable_contents): New function, split out from...
7037 (assemble_variable): ...here. Don't output any code for
7038 block symbols; just pass them to place_block_symbol.
7039 Use get_variable_section and assemble_variable_contents.
7040 (get_constant_alignment, get_constant_section, get_constant_size): New
7041 functions, split from output_constant_def_contents.
7042 (build_constant_desc): Create a block symbol if use_object_blocks_p
7043 says so. Or into SYMBOL_REF_FLAGS.
7044 (assemble_constant_contents): New function, split from...
7045 (output_constant_def_contents): ...here. Don't output any code
7046 for block symbols; just pass them to place_section_symbol.
7047 Use get_constant_section and get_constant_alignment.
7048 (force_const_mem): Create a block symbol if use_object_blocks_p and
7049 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
7050 (output_constant_pool_1): Add an explicit alignment argument.
7051 Don't switch sections here.
7052 (output_constant_pool): Adjust call to output_constant_pool_1.
7053 Switch sections here instead. Don't output anything for block symbols;
7054 just pass them to place_block_symbol.
7055 (init_varasm_once): Initialize object_block_htab.
7056 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
7057 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
7058 (place_block_symbol, get_section_anchor, output_object_block)
7059 (output_object_block_htab, output_object_blocks): New functions.
7060 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
7061 (TARGET_ASM_OUT): Include it.
7062 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
7063 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
7064 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
7065 (TARGET_INITIALIZER): Include them.
7066 * rtl.c (rtl_check_failed_block_symbol): New function.
7067 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
7068 (block_symbol, object_block): New structures.
7069 (rtx_def): Add a block_symbol field to the union.
7070 (BLOCK_SYMBOL_CHECK): New macro.
7071 (rtl_check_failed_block_symbol): Declare.
7072 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
7073 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
7074 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
7075 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
7076 * output.h (output_section_symbols): Declare.
7077 (object_block): Name structure.
7078 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
7079 (default_use_anchors_for_symbol_p): Declare.
7080 * Makefile.in (RTL_BASE_H): Add vec.h.
7081 (explow.o): Depend on output.h.
7082 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
7083 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7084 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7085 (rs6000_use_blocks_for_constant_p): New function.
7087 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7089 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
7091 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7094 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
7097 2006-02-18 Diego Novillo <dnovillo@redhat.com>
7099 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
7103 2006-02-18 Jakub Jelinek <jakub@redhat.com>
7106 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
7107 instead of DECL_REGISTER.
7109 2006-02-18 Olivier Hainque <hainque@adacore.com>
7112 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
7114 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
7117 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
7118 * opth-gen.awk: Handle Var and InverseMask together.
7119 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
7120 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
7121 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
7122 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
7124 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7125 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7126 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
7127 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7128 LINUX_DYNAMIC_LINKER): Define.
7129 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
7130 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
7132 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7133 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
7134 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7135 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7136 (TARGET_C99_FUNCTIONS): Don't define.
7137 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
7138 GLIBC_DYNAMIC_LINKER.
7139 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
7140 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
7141 GLIBC_DYNAMIC_LINKER64): Define.
7142 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7143 LINUX_DYNAMIC_LINKER64.
7144 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7145 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7146 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
7147 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7148 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7149 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7150 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
7151 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
7152 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
7153 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
7154 and LINUX_DYNAMIC_LINKER32.
7155 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7156 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7157 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
7158 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7159 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
7161 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
7162 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
7163 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7164 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7165 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7166 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
7167 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
7168 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
7169 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7170 LINUX_DYNAMIC_LINKER): Define.
7171 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
7172 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
7173 GLIBC_DYNAMIC_LINKER64): Define.
7174 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7175 LINUX_DYNAMIC_LINKER64.
7176 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7177 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7178 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
7179 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7180 LINUX_DYNAMIC_LINKER): Define.
7181 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7182 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7183 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
7184 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
7185 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
7186 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7187 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
7188 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
7189 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7190 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7191 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7192 * doc/invoke.texi (-muclibc): Remove caveat about supported
7195 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
7197 * doc/cpp.texi (__TIMESTAMP__): Document.
7199 2006-02-17 Roger Sayle <roger@eyesopen.com>
7202 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
7203 C is one less than the width of X (and related transformations).
7204 * simplify-rtx.c (simplify_unary_operation_1): Transform
7205 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
7206 depending on STORE_FLAG_VALUE, were C is one less then the
7209 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
7211 Fix PR tree-optimization/26341
7212 * tree-ssa-operands.c (add_virtual_operand): Remove assert
7213 about NAME_MEMORY_TAG's.
7215 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7218 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
7219 with hardware float support, and software float support. Add fcpy
7220 alternative to hardware patterns. Add alternatives to copy between
7221 general and floating-point registers to the 32-bit pattern.
7222 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
7223 secondary reload to load a QI or HI mode constant into a floating
7225 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
7226 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
7228 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
7231 * config/rs6000/darwin.md (load_macho_picbase_si): Add
7233 (load_macho_picbase_di): Likewise.
7235 2006-02-16 Jeff Law <law@redhat.com>
7237 * tree-vrp.c (set_value_range_to_nonnegative): New function.
7238 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
7239 (ssa_name_nonzero_p): Likewise.
7240 (get_value_range): Return NULL if VRP is not running.
7241 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
7242 VRP routines do not discover a range.
7243 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
7244 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
7245 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
7246 (tree_expr_nonnegative_p): Similarly.
7247 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
7248 (restore_nonzero_vars_to_original_value): Remove.
7249 (unsafe_associative_fp_binop): Remove.
7250 (tree_ssa_dominator_optimize): Remove initialization and
7251 finalization of nonzero_vars and nonzero_vars_stack.
7252 (dom_opt_initialize_block): No longer push marker on
7254 (dom_opt_finalize_block): No longer call
7255 restore_nonzero_vars_to_original_value.
7256 (record_equivalences_from_phis): No longer look for
7257 nonzero PHI arguments.
7258 (cprop_into_successor_phis): No longer propagate nonzero
7259 property into PHI arguments. Lose unused argument. Caller
7261 (record_equivalences_from_stmt): No longer record nonzero
7262 values for SSA_NAMEs.
7263 (lookup_avail_expr): No longer use nonzero_vars.
7265 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
7266 for sizetype when sizetype is unsigned.
7268 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
7270 PR rtl-optimization/25603
7271 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
7272 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
7273 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
7274 with new meaning of SETS.
7276 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
7281 * config/linux.opt: New file.
7282 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
7283 LINUX_DYNAMIC_LINKER): Define.
7284 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
7285 * config.gcc (*-*-linux*): Define extra_options.
7286 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
7287 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
7288 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
7289 GLIBC_DYNAMIC_LINKER.
7290 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
7291 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7292 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7293 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7294 * doc/invoke.texi (GNU/Linux Options): New section.
7296 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
7298 * config/sparc/sparc.md (setjmp): Rewrite.
7299 (setjmp_32): Delete.
7300 (setjmp_64): Likewise.
7302 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
7304 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
7307 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7309 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
7312 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7314 PR rtl-optimization/26296
7315 * Makefile.in (loop-invariant.c): Add except.h dependency.
7316 * loop-invariant.c: Include except.h.
7317 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
7319 2005-02-16 Paul Brook <paul@codesourcery.com>
7321 * reload1.c (emit_reload_insns): Invalidate dead input registers used
7324 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
7326 PR rtl-optimization/25636
7327 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
7328 when deciding whether an insn is an initializing insn.
7330 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
7332 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
7333 (tree_code_size): Ditto.
7334 * tree.h (struct tree_memory_tag): Remove parent_var.
7335 (struct tree_struct_field_tag): New.
7338 (union tree_node): Add sft member.
7339 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
7341 (create_sft): Add size and offset argument, set SFT_OFFSET and
7343 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
7344 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
7345 * tree-flow-inline.h (get_subvar_at): Update for
7346 SFT_OFFSET/SFT_SIZE.
7347 (var_can_have_subvars): Ditto.
7348 (overlap_subvar): Ditto.
7349 * print-tree.c (print_node): Print out interesting things for
7351 * tree-flow.h (struct subvar): Remove offset and size members.
7352 * tree-ssa-operands.c (get_expr_operands): Update for
7353 get_indirect_ref_operands changes.
7354 (get_indirect_ref_operands): Call add_virtual_operand instead of
7355 add_stmt_operand. Only recurse on base var if requested.
7356 (access_can_touch_variable): New function.
7357 (add_stmt_operand): Split virtual operand handling into ...
7358 (add_virtual_operand): Here. Add offset, size, and for_clobber
7359 arguments. Prune alias sets.
7360 (add_call_clobber_ops): Call add_virtual_operand.
7362 2006-02-15 Jakub Jelinek <jakub@redhat.com>
7365 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
7367 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
7368 than TREE_CODE as index into omp_clause_num_ops array.
7370 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
7372 PR rtl-optimization/26184
7373 * modulo-sched.c (generate_reg_moves): Free bitmap vector
7375 * modulo-sched.c (sms_schedule): Free g_arr pointer.
7376 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
7377 must_precede, must_follow and tobe_scheduled.
7380 * opts.c (common_handle_option): Free new_option pointer.
7381 * df-core.c (df_analyze): Free postorder pointer.
7383 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7385 * Makefile.in: Fix the examples about the use of stamps
7387 2006-02-15 Michael Matz <matz@suse.de>
7391 * stor-layout.c (layout_decl): Zero-width bitfields aren't
7392 influenced by maximum_field_alignment or DECL_PACKED.
7393 (update_alignment_for_field): Ditto.
7394 (place_field): Ditto.
7395 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
7398 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
7400 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
7401 (debug_flow_info): Pass it.
7402 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
7403 * bb-reorder.c (reorder_basic_blocks): Likewise.
7404 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
7405 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
7406 * flow.c (life_analysis, recompute_reg_usage): Likewise.
7407 * gcse.c (gcse_main, bypass_jumps): Likewise.
7408 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
7409 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
7410 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
7411 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
7412 * rtl.h (dump_flow_info): Adjust prototype.
7413 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
7414 * var-tracking.c (variable_tracking_main): Likewise.
7415 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
7416 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
7419 2006-02-15 Marcin Dalecki <martin@dalecki.de>
7421 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
7424 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7426 PR tree-optimization/26209
7427 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
7428 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
7430 * tree-cfg.c (replace_uses_by): Do not alter cfg.
7432 2006-02-14 Roger Sayle <roger@eyesopen.com>
7435 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
7436 (X,Y) and the corresponding symmetry related transformations.
7437 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
7438 (X,Y) and its symmetry related transformations.
7440 2006-02-14 Roger Sayle <roger@eyesopen.com>
7442 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
7445 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
7447 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
7449 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7452 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
7453 support COMDAT group.
7454 * configure: Regenerate.
7456 2006-02-14 Roger Sayle <roger@eyesopen.com>
7461 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
7463 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
7465 Fix PR tree-optimization/26260
7467 * doc/invoke.texi (max-fields-for-field-sensitive): Document
7469 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
7470 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
7471 * tree-ssa-structalias.c (create_variable_info_for): Use
7472 MAX_FIELDS_FOR_FIELD_SENSITIVE.
7474 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7476 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
7478 * tree-ssa-loop-niter.c (number_of_iterations_ne,
7479 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
7480 of the ending condition.
7481 * tree-ssa-loop-manip.c: Include params.h.
7482 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
7483 tree_unroll_loop): New functions.
7484 * tree-pass.h (pass_loop_prefetch): Declare.
7485 * loop.c (rest_of_handle_loop_optimize): Test for
7486 -fprefetch-loop-arrays-rtl.
7487 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
7488 * timevar.def (TV_TREE_PREFETCH): New timevar.
7489 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
7490 pass_loop_prefetch): New.
7491 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
7492 (cleanup_tree_cfg_loop): Call scev_reset.
7493 * common.opt (fprefetch-loop-arrays-rtl): Add.
7494 * tree-ssa-loop-prefetch.c: New file.
7495 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
7496 (new_temp_expr_table): Initialize expr_vars.
7497 (free_temp_expr_table): Cleanup expr_vars.
7498 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
7499 expressions from being merged into one.
7500 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
7501 (struct tree_niter_desc): Add control, bound and cmp fields.
7502 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
7504 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
7505 (tree-cfgcleanup.o): Add SCEV_H dependency.
7506 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
7507 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
7509 2006-02-14 Richard Guenther <rguenther@suse.de>
7511 PR tree-optimization/26258
7512 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
7513 in PHI argument processing.
7515 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
7517 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
7518 new expression in the requested machine mode.
7520 2006-02-13 Roger Sayle <roger@eyesopen.com>
7522 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
7523 directly, instead let do_compare_rtx_and_jump handle this for us.
7524 * expr.c (expand_expr_real_1): Likewise.
7525 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
7526 before do_jump_by_parts_greater.
7527 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
7528 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
7530 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7532 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
7534 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7536 PR rtl-optimization/26235
7537 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
7538 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
7541 2006-02-13 Jeff Law <law@redhat.com>
7543 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
7546 2006-02-13 Jakub Jelinek <jakub@redhat.com>
7549 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
7550 twice if decl is a builtin. When trying again, call get_callee_fndecl
7551 first to verify it is still a builtin.
7553 2006-02-13 Geoffrey Keating <geoffk@apple.com>
7555 * dwarf2out.c (base_type_die): Don't add AT_name here.
7556 (subrange_type_die): Don't add AT_name here.
7557 (modified_type_die): Rearrange code flow. Do add AT_name here.
7559 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7561 PR rtl-optimization/26247
7562 PR rtl-optimization/26248
7563 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
7565 2006-02-13 Richard Sandiford <richard@codesourcery.com>
7567 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
7568 * config/fixtfdi.c: Likewise.
7569 * config/fixunstfdi.c: Likewise.
7570 * config/floatditf.c: Likewise.
7572 2006-02-13 Roger Sayle <roger@eyesopen.com>
7575 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
7576 into (X,C2) if C1 is a subset of the bits of C2. Transform
7577 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
7579 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
7581 2006-02-13 Josh Conner <jconner@apple.com>
7584 * varasm.c (function_section): Check for section name before
7585 calling select_section on targets that define
7586 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
7587 unlikely_text_section instead of hot_function_section if
7588 first_function_block_is_cold.
7590 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
7593 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
7595 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7597 PR rtl-optimization/26222
7598 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
7599 after tree->rtl expansion.
7600 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
7601 before passing it to emit_move_insn.
7603 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
7605 * doc/invoke.texi (-Write-strings): Document that it is enabled by
7607 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
7608 Clarify documentation.
7609 * c-common.h (warn_write_strings): Remove.
7610 * c-common.c (warn_write_strings): Likewise.
7611 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
7614 2006-02-12 Roger Sayle <roger@eyesopen.com>
7617 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
7618 (do_jump_parts_zero_rtx): New function renamed from
7619 do_jump_parts_equality_rtx. Made static. Add a mode argument.
7620 (do_jump_parts_equality_rtx): New function split out from
7621 do_jump_parts_equality. Old implementation renamed as above.
7622 Call do_jump_parts_zero_rtx if either operand is zero.
7623 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
7624 do all of the heavy lifting.
7625 (do_compare_rtx_and_jump): Handle multi-word comparisons by
7626 calling either do_jump_by_parts_greater_rtx or
7627 do_jump_by_parts_equality_rtx.
7628 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
7629 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
7630 moved to do_compare_rtx_and_jump, call it directly.
7631 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
7632 mode argument. Call do_compare_rtx_and_jump.
7633 (emit_case_nodes): Update calls to do_jump_if_equal.
7635 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7637 PR rtl-optimization/26225
7638 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
7640 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7642 PR rtl-optimization/26232
7643 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
7645 2006-02-11 Jason Merrill <jason@redhat.com>
7648 * tree-inline.c (declare_return_variable): Just don't use the
7649 modify target if it's a gimple complex reg and the return slot
7652 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7654 * doc/contrib.texi: Update my entry.
7656 2006-02-10 Geoffrey Keating <geoffk@apple.com>
7658 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
7660 2006-02-10 Diego Novillo <dnovillo@redhat.com>
7662 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
7665 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
7667 * doc/invoke.texi (-floop-optimize2): Removed.
7668 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
7669 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
7670 Test flag_branch_on_count_reg only if HAVE_doloop_end.
7671 * common.opt (floop-optimize2): Removed.
7672 (fmove-loop-invariants): Enabled by default.
7674 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
7676 * tree-if-conv.c (combine_blocks): Free the result of
7677 get_loop_exit_edges.
7679 2006-02-10 Jeff Law <law@redhat.com>
7681 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
7683 PR tree-optimization/26213
7684 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
7685 loop trying to follow SSA_NAME_VALUE chains.
7687 2006-02-10 Richard Guenther <rguenther@suse.de>
7689 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
7690 deal with structures that end in implicitly variable sized arrays.
7692 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7694 PR rtl-optimization/24762
7695 * df-scan.c (df_bb_refs_record): Record correct registers defined on
7698 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7700 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
7701 (struct ivopts_data): Add regs_used field.
7702 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
7703 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
7704 instead of loop_data->regs_used;
7705 (free_loop_data): Do not free aux fields for loops.
7706 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
7707 and tree_ssa_iv_optimize_finalize.
7709 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
7711 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
7713 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7716 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
7717 computing the effective result type.
7719 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7722 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
7723 (tree_overlaps_hard_reg_set): Declare.
7724 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
7725 type and signature to match function type expected by walk_tree.
7726 (tree_overlaps_hard_reg_set): New function.
7727 (decl_conflicts_with_clobbers_p): Rename to:
7728 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
7729 Use tree_overlaps_hard_reg_set. Changed caller.
7730 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
7731 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
7732 * cris.c (cris_md_asm_clobbers): Likewise.
7734 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
7736 * reload1.c (emit_input_reload_insns): Delete code that tries to
7737 inherit using find_equiv_reg.
7739 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
7741 * c-common.h (flag_const_strings): Don't declare.
7742 * c-common.c (flag_const_strings): Remove.
7743 * c.opt (fconst_strings): Remove.
7744 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
7745 <OPT_Wwrite_strings>: Don't set flag_const_strings.
7746 (c_common_init_options): Don't set flag_const_strings.
7747 * doc/invoke.texi (-fno-const-strings): Remove documentation.
7749 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
7751 * arm.md (tlobits_cbranch): New pattern.
7752 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
7753 testing a single bit.
7755 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7758 * tree-ssa-pre.c (create_component_ref_by_pieces):
7759 Handle RETURN_DECL like VAR_DECL.
7761 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7764 * fold-const.c (fold_indirect_ref_1): Fold
7765 "*(foo *)&complexfoo" to "__real__ complexfoo"
7766 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
7768 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7770 * tree-flow-inline.h (var_can_have_subvars):
7771 Volatile variables should not have subvariables.
7773 2006-02-09 Diego Novillo <dnovillo@redhat.com>
7776 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
7777 multiplying unsigned values.
7780 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
7782 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
7784 2006-02-08 Jason Merrill <jason@redhat.com>
7787 * tree.def: Elaborate on difference from MODIFY_EXPR.
7788 * doc/c-tree.texi (INIT_EXPR): Likewise.
7789 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
7790 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
7791 (gimplify_target_expr): Likewise.
7792 (gimplify_cond_expr): Remove target handling.
7793 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
7794 (gimplify_expr): Clobber it here.
7795 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
7796 Do return slot optimization if we have an INIT_EXPR.
7799 * tree-inline.c (declare_return_variable): Also clear
7800 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
7803 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
7806 * gimplify.c (gimplify_one_sizepos): Fix typo.
7808 2006-02-08 Jeff Law <law@redhat.com>
7810 PR tree-optimization/21417
7811 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
7812 across a backedge if the control statement at the end of the
7813 block is data dependent on other statements in the same block.
7814 (record_temporary_equivalences_from_stmts): Remove over-conservative
7815 test for threading across backedges.
7817 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
7818 control statement, handle all three special cases in the same
7819 manner as they all have the same desired solution. No longer
7820 special case edge flag updating when the post dominator is
7823 2006-02-08 Roger Sayle <roger@eyesopen.com>
7825 * tree.def (CHAR_TYPE): Remove.
7826 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
7827 * dwarf2out.c (base_type_die, is_base_type): Likewise.
7828 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
7829 (gen_string_type_die): Delete unreachable function.
7831 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
7832 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
7833 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
7834 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
7835 * builtins.c (type_to_class): Likewise.
7836 * fold-const.c (fold_convert, build_range_check,
7837 merge_ranges): Likewise.
7838 * expr.c (count_type_elements): Likewise.
7839 * c-pretty-print.c (pp_c_type_specifier): Likewise.
7840 * stor-layout.c (layout_type): Likewise.
7841 * ipa-type-escape.c (type_to_consider): Likewise.
7842 * gimplify.c (omp_firstprivatize_type_sizes,
7843 gimplify_type_sizes): Likewise.
7844 * explow.c (promote_mode): Likewise.
7845 * tree-sra.c (is_sra_scalar_type): Likewise.
7846 * varasm.c (output_constant): Likewise.
7847 * tree-inline.c (remap_type_1): Likewise.
7848 * convert.c (convert_to_pointer, convert_to_real,
7849 convert_to_integer, convert_to_complex): Likewise.
7851 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
7853 * df-scan.c (df_def_record_1): A set destination may
7854 be a parallel regardless of mode.
7856 2006-02-08 Roger Sayle <roger@eyesopen.com>
7859 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
7860 * config/mips/_tilib.c: Remove.
7861 * config/fixtfdi.c: New libgcc source file.
7862 * config/fixunstfdi.c: New source file.
7863 * config/floatditf.c: New source file.
7864 * config/floatunditf.c: New souce file.
7865 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7866 files above instead of config/mips/_tilib.c.
7867 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7869 2006-02-08 Jeff Law <law@redhat.com>
7871 PR tree-optimization/26169
7872 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
7875 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
7877 * df.h (DF_REG_SIZE): Return the length of the initialized
7880 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
7882 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
7883 __muldf3): Return a correctly signed zero.
7885 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
7887 * passes.c (register_one_dump_file): Accept the current properties
7888 instead of pass number. Adjust call to dump_register. Remove
7890 (register_dump_files): Now a wrapper around...
7891 (register_dump_files_1): ... this one. Do not modify the pass
7893 (next_pass_1): Cosmetic fix.
7894 (execute_todo): Keep second parameter only. Use curr_properties
7895 instead of fetching it from the pass structure. Check and set
7897 (execute_one_pass): Handle TODO_set_props. Use curr_properties
7898 instead of fetching it from the pass structure. Fix calls to
7899 execute_todo. Update curr_properties and initialize .vcg RTL dump
7900 after running the pass. Reset last_verified.
7901 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
7903 (FIRST_AUTO_NUMBERED_DUMP): New.
7904 (dump_register): Remove "num" parameter, assign it within the
7906 (get_dump_file_name): Modify template for dumps.
7907 * tree-dump.h (dump_register): Adjust prototype.
7908 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
7909 (PROP_trees): Add PROP_gimple_lomp.
7910 (TODO_set_props): New.
7911 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
7912 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
7913 * cfgexpand.c (pass_expand): Destroy PROP_trees.
7915 2006-02-08 Jakub Jelinek <jakub@redhat.com>
7917 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
7918 (sparc64-*-linux*): Likewise.
7919 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
7920 * config/sparc/t-linux: New file.
7921 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
7922 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
7923 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
7924 -m32 -mlong-double-128.
7926 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
7927 * config/alpha/t-linux: New file.
7928 * config/alpha/libgcc-alpha-ldbl.ver: New file.
7930 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
7931 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
7932 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
7933 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
7934 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
7935 (CPP_ARCH32_SPEC): Remove.
7937 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
7939 PR tree-optimization/26145
7940 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
7943 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7946 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
7947 >= 240000 when generating code for SOM runtime.
7948 (output_indirect_call): Don't use "b,l" instruction for indirect calls
7949 to $$dyncall when generating code for SOM runtime..
7951 2006-02-07 Dirk Mueller <dmueller@suse.com>
7954 * doc/invoke.texi (-Wsequence-point): Update documentation
7955 that -Wsequence-point is implemented for C++ as well.
7957 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7959 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
7960 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
7961 (LIB_SPEC): Likewise.
7962 * doc/invoke.texi (SPARC options): Document -pthread.
7964 2006-02-07 Geoffrey Keating <geoffk@apple.com>
7966 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
7969 2006-02-07 Roger Sayle <roger@eyesopen.com>
7971 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
7972 Correct comment describing BOOLEAN_TYPE.
7974 2006-02-07 Dirk Mueller <dmueller@suse.com>
7976 * c.opt: C++ frontend supports -Wdiv-by-zero.
7977 * c-opts.c (c_common_handle_option): Remove dead case.
7979 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7981 * configure.ac (TLS assembler check): Do not enable TLS by
7982 default on SPARC/Solaris before version 10.
7983 * configure: Regenerate.
7985 2006-02-07 David Edelsohn <edelsohn@gnu.org>
7987 * doc/invoke.texi (xl-compat): Document conversion and support
7990 2006-02-07 Jeff Law <law@redhat.com>
7992 * tree-vrp.c (find_conditional_asserts): Update comments.
7993 (simplify_stmt_for_jump_threading): New.
7994 (identify_jump_threads, finalize_jump_threads): New.
7995 (vrp_finalize): Call identify_jump_threads.
7996 (execute_vrp): Call finalize_jump_threads.
7997 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
7998 (vrp_element, vrp_data, vrp_element_p): Remove.
7999 (vrp_hash_elt, vrp_variables_stack): Remove.
8000 (vrp_hash, vrp_eq, record_range): Remove.
8001 (simplify_cond_and_lookup_avail_expr): Remove.
8002 (extract_range_from_cond): Remove.
8003 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
8004 (simplify_stmt_for_jump_threading): New.
8005 (dom_thread_across_edge): New wrapper.
8006 (tree_ssa_dominator_optimize): No longer initialize or
8007 finalize any of the VRP datastructures. Remove iteration
8008 step and simplify as a result of removal of iteration step.
8009 (pass_dominator): Perform a cfg cleanup after DOM.
8010 (dom_opt_finalize_block): Use the new common routines
8011 for threading jumps. Simplify stack management slightly.
8012 No longer need to unwind VRP state.
8013 (record_equivalences_from_incoming_edge): No longer record
8015 (eliminate_redundant_computations): No longer call
8016 simplify_cond_and_lookup_avail_expr.
8017 * tree-flow.h (potentially_threadable_block): Prototype.
8018 (thread_across_edge): Likewise.
8019 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
8020 (tree-ssa-threadedge.o): Add dependencies.
8021 * tree-ssa-threadedge.c: New file.
8022 * passes.c (init_optimization_passes): Merge PHIs before
8023 calling VRP. Run VRP again late in the SSA optimization pipeline.
8025 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8027 * df-core.c (df_set_blocks): Do not dereference function pointers.
8028 (df_finish1): Likewise.
8029 (df_hybrid_search_forward): Likewise.
8030 (df_hybrid_search_backward): Likewise.
8031 (df_iterative_dataflow): Likewise.
8032 (df_analyze_problem): Likewise.
8033 (df_compact_blocks): Likewise.
8034 (df_dump): Likewise.
8035 * df-scan.c (df_rescan_blocks): Likewise.
8036 (df_record_entry_block_defs): Likewise.
8038 * genconditions.c (write_conditions): Guard the definition of
8039 'insn_conditions' with the check on GCC version.
8040 (write_writer): Guard the traversal 'insn_conditions' with
8041 the check on GCC version.
8043 2006-02-07 Richard Guenther <rguenther@suse.de>
8047 2006-01-30 Richard Guenther <rguenther@suse.de>
8049 * gimplify.c (gimplify_target_expr): Handle easy cases
8050 without creating a temporary.
8052 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
8054 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
8055 use of float in probability computations. Use edge probabilities
8056 in place of statically computed probabilities.
8057 (min_spec_prob): New static variable.
8058 (schedule_insns): Initialize it.
8059 (GET_SRC_PROB): Removed.
8060 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
8062 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
8065 * config/ia64/unwind-ia64.c: Revert last change.
8066 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
8067 (INCOMING_FRAME_SP_OFFSET): Define.
8069 2006-02-06 Roger Sayle <roger@eyesopen.com>
8071 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
8073 2006-02-07 Ben Elliston <bje@au.ibm.com>
8075 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
8076 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
8077 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
8078 (ix86_return_in_memory): Handle TDmode.
8079 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
8080 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
8082 2006-02-06 Richard Sandiford <richard@codesourcery.com>
8084 * reorg.c (dbr_schedule): Use dump_file instead of file.
8086 2006-02-06 Steve Ellcey <sje@cup.hp.com>
8089 * config/ia64/predicates.md (extr_len_operand): New predicate.
8090 * config/ia64/ia64.md (extv): Tighten constraints.
8092 (*tbit_and_2): Ditto.
8093 (*tbit_and_3): Ditto.
8094 (*tbit_or_2): Ditto.
8095 (*tbit_or_3): Ditto.
8099 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
8102 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
8104 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
8106 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
8107 loop_optimizer_init and loop_optimizer_finalize
8108 * tree-ssa-sink.c (execute_sink_code): Ditto.
8109 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8110 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
8111 tree_ssa_loop_done): Ditto.
8112 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
8113 * sched-ebb.c: Include output.h.
8114 (schedule_ebbs): Do not use dump argument.
8115 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
8116 * loop.c (loop_dump_stream): Removed.
8117 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
8119 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
8120 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
8121 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
8122 loop_iterations, strength_reduce, record_biv, record_giv,
8123 final_giv_value, check_final_value, check_ext_dependent_givs,
8124 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
8125 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
8126 dump_file instead of loop_dump_stream.
8127 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
8129 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
8131 * flow.c (life_analysis, rest_of_handle_life): Ditto.
8132 * haifa-sched.c: Include output.h
8133 (schedule_insns, sched_init): Do not use dump argument.
8134 * mode-switching.c (optimize_mode_switching): Ditto.
8135 * modulo-sched.c (stats_file): Removed.
8136 (print_node_sched_params): Do not call argument dump_file.
8137 (sms_schedule_by_order, loop_canon_p, sms_schedule,
8138 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
8140 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
8142 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
8143 rtl_loop_init, rtl_loop_done): Ditto.
8144 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
8145 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
8147 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
8148 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
8149 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
8150 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
8151 * emit-rtl.c (renumber_insns): Ditto.
8152 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
8153 expand_gimple_basic_block, tree_expand_cfg): Ditto.
8154 * regclass.c (regclass): Ditto.
8155 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
8156 remove_ssa_form, rewrite_out_of_ssa): Ditto.
8157 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
8158 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
8160 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
8161 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
8163 * gcse.c (gcse_file, debug_stderr): Removed.
8164 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
8165 rest_of_handle_gcse): Do not use dump argument.
8166 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
8167 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
8168 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
8169 compute_code_hoist_vbeinout, compute_code_hoist_data,
8170 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
8171 compute_store_table, build_store_vectors, insert_insn_start_bb,
8172 insert_store, remove_reachable_equiv_notes, replace_store_insn,
8173 store_motion): Use dump_file instead of gcse_file.
8174 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
8175 * profile.c (profile_dump_file): Removed.
8176 (branch_prob): Use dump_file instead of profile_dump_file.
8177 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
8179 * tree-ssa-copy.c (dump_copy_of): Ditto.
8180 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
8181 dump file to life_analysis.
8182 * bt-load.c (branch_target_load_optimize): Ditto.
8183 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
8185 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
8186 regclass, dbr_schedule): Declaration changed.
8187 * sched-int.h (sched_init): Declaration changed.
8188 * tree-profile.c (tree_profile_dump_file): Removed.
8189 (tree_profile_hooks): Removed profile_dump_file hook.
8190 * rtl-profile (rtl_profile_dump_file): Removed.
8191 (rtl_profile_hooks): emoved profile_dump_file hook.
8192 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
8194 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
8195 * tree-cfg.c (build_tree_cfg): Ditto.
8196 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
8197 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
8198 Declaration changed.
8199 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
8200 life_analysis and schedule_insns.
8201 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
8203 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
8205 * config/mips/mips.c (mips_reorg): Ditto.
8206 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
8209 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
8211 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8212 (s390_mangle_fundamental_type): New.
8213 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8216 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8217 (alpha_mangle_fundamental_type): New.
8218 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8221 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8223 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8225 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8226 (sparc_mangle_fundamental_type): New.
8228 2006-02-06 Jakub Jelinek <jakub@redhat.com>
8230 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
8231 (s390x-*-linux*): Likewise.
8232 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
8233 * config/s390/t-linux: New file.
8235 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8237 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
8238 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
8240 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
8242 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
8243 (ANTIC_SAFE_LOADS): New macro.
8244 (find_or_generate_expression): Add prototype.
8245 (set_contains_value): Allow null set for sake of not always having
8246 to allocate ANTIC_SAFE_LOADS.
8247 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
8248 Allow COMPONENT_REF too.
8249 (valid_in_set): Allow COMPONENT_REF.
8250 Check ANTIC_SAFE_LOADS too.
8251 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
8252 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
8254 (can_PRE_operation): Add COMPONENT_REF.
8255 (create_component_ref_by_pieces): New function.
8256 (create_expression_by_pieces): Use create_component_ref_by_pieces.
8257 (insert_aux): Move AGGREGATE_TYPE_P check here.
8258 (compute_avail): Set bb local stmt uids.
8259 (pass_pre): Use TODO_update_ssa_only_virtuals.
8261 2006-02-06 Ben Elliston <bje@au.ibm.com>
8263 * configure.ac: Unconditionally disable decimal float by default.
8264 * configure: Regenerate.
8266 2006-02-06 Ben Elliston <bje@au.ibm.com>
8268 * read-rtl.c (read_name): Terminate reading on EOF.
8270 2006-02-06 Ben Elliston <bje@au.ibm.com>
8272 * dfp.c (decimal_real_arithmetic): Change second argument type
8273 from int to enum tree_code. Do not always return true, but now
8274 return result of any call to decimal_do helper functions.
8275 * dfp.h (decimal_real_arithmetic): Update prototype.
8277 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
8279 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
8281 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
8284 * tree-cfg.c (cleanup_dead_labels): Also don't remove
8287 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8289 * tree-vrp.c (cfg_loops): Removed.
8290 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
8291 Use current_loops instead of cfg_loops. Pass flags to
8292 loop_optimizer_init.
8293 * cfgloopmanip.c (fix_loop_structure): Update only available
8295 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
8296 loop_optimizer_init.
8297 * modulo-sched.c (build_loops_structure): Removed.
8298 (sms_schedule): Use loop_optimizer_init.
8299 * loop-init.c (loop_optimizer_init): Use flags to determine
8300 which properties of loops to prepare.
8301 (rtl_loop_init): Pass flags to loop_optimizer_init.
8302 * tree-ssa-sink.c (execute_sink_code): Ditto.
8303 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
8304 * tree-ssa-pre.c (init_pre): Ditto.
8305 * cfgloop.h (LOOPS_NORMAL): New.
8306 (loop_optimizer_init): Declaration changed.
8308 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8310 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
8311 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
8313 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
8315 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
8317 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
8318 * pa/t-pa64: Delete quadlib.c rule.
8319 * pa/x-ada: Revert last change.
8320 * pa/t-pa: Revert last change. Delete quadlib.c rule.
8322 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8324 PR rtl-optimization/26087
8325 * rtlanal.c (canonicalize_condition): Do not cross basic block
8328 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
8331 * config/ia64/ia64.c: Include debug.h.
8332 (MAX_ARTIFICIAL_LABEL_BYTES): New.
8333 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
8334 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
8335 (process_epilogue, process_set, process_for_unwind_directive):
8336 Output unwind info only if requested. Add CFA info if requested.
8337 Add new arguments as needed. Adjust callers.
8338 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
8340 (DWARF2_FRAME_INFO): Define to zero.
8341 * config/ia64/unwind-ia64.c: Remove code that compensated for
8342 the CFA offset error fixed above.
8343 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
8344 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
8345 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
8346 -funwind-tables and -fexceptions to enable frame info.
8347 (dwarf2out_frame_init): Define initial CFA even if
8348 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
8349 DWARF2_UNWIND_INFO is nonzero, not just defined.
8350 (dwarf2out_frame_finish): Output non-EH call frame info only
8351 if DWARF2_FRAME_INFO is nonzero.
8352 (convert_cfa_to_loc_list,
8353 compute_frame_pointer_to_cfa_displacement): Define even if
8354 unwind info is not supported.
8355 (gen_subprogram_die): Use the above unconditionally. Remove
8356 legacy alternate code.
8357 * toplev.c (compile_file): Compile in call to
8358 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
8359 (lang_dependent_init): Ditto for dwarf2out_frame_init.
8361 2006-02-04 David Edelsohn <edelsohn@gnu.org>
8362 Jakub Jelinek <jakub@redhat.com>
8364 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
8365 IBM extended float format long double as "g" on powerpc*-linux.
8367 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8370 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
8371 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
8373 2006-02-03 Jason Merrill <jason@redhat.com>
8376 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
8379 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
8380 on the return slot if it's an NRV.
8382 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
8384 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
8385 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
8386 rewrite_use): Do not handle USE_OUTER.
8387 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
8388 add_iv_outer_candidates, may_replace_final_value,
8389 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
8390 (find_interesting_uses_op): Functionality of
8391 find_interesting_uses_outer_or_nonlin moved here.
8392 (find_interesting_uses_outside): Use find_interesting_uses_op.
8394 2006-02-03 Alan Modra <amodra@bigpond.net.au>
8397 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
8399 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
8400 Ulrich Weigand <uweigand@de.ibm.com>
8403 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
8404 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
8405 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
8406 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
8408 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
8409 (s390_rtx_costs): Use the new fields to calculate rtx costs.
8410 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
8411 Define secondary reloads for TFmode moves.
8412 (constant_modes): Add TFmode.
8413 (NR_C_MODES): Set to 8.
8414 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
8416 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
8417 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
8418 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
8419 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
8420 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
8421 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
8422 (FPR mode macro): Add TFmode.
8423 (DSF mode macro): New.
8424 (<de>, <dee> mode attributes): Removed.
8425 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
8426 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
8427 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
8428 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
8429 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
8430 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
8431 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
8432 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
8433 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
8434 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
8435 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
8436 "*negabs<mode>2", "sqrt<mode>2"):
8437 Changed <de> to <xde>. R constraint replaced by <Rf>.
8438 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
8440 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
8441 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
8442 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
8444 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
8445 "extenddftf2", "extendsftf2"): New expanders.
8446 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
8447 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
8448 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
8449 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
8451 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
8452 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
8453 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
8454 __floatditf): Add a GCC_4.1.0 symbol version tag.
8455 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
8458 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
8461 * config/i386/i386.c (ix86_function_ok_for_sibcall):
8462 Use targetm.binds_local_p instead of TREE_PUBLIC.
8464 2006-02-02 Roger Sayle <roger@eyesopen.com>
8466 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
8467 on INTEGER_TYPEs to indicate that it denotes a character type.
8468 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
8469 signed_char_type_node, unsigned_char_type_node and char_type_node.
8470 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
8471 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
8472 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
8474 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
8475 Daniel Berlin <dberlin@dberlin.org>
8477 * tree-tailcall.c (arg_needs_copy_p): New function.
8478 (eliminate_tail_call): Use arg_needs_copy_p.
8479 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
8480 (add_virtual_phis): New function.
8482 2006-02-02 Jakub Jelinek <jakub@redhat.com>
8484 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
8485 #ignore instead of #scratch for %g7 .register directive.
8487 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
8489 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
8492 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8494 * flow.c (calculate_global_regs_live): Assert that there aren't any
8497 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
8499 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
8501 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
8502 bsi_after_labels iterator.
8503 * tree-if-conv.c (find_phi_replacement_condition,
8504 replace_phi_with_cond_modify_expr): Likewise.
8505 * tree-scalar-evolution.c (scev_const_prop): Likewise.
8506 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
8508 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8510 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
8512 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8515 * tree-cfg.c (move_block_to_fn): Clear out the basic block
8516 array after growing it.
8518 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8521 * fold-const.c (fold_checksum_tree): Change type of buf.
8523 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
8525 * reload.c (push_secondary_reload): Initialize t_icode.
8527 2006-02-01 Jakub Jelinek <jakub@redhat.com>
8529 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
8530 -msoft-float -mlong-double-128 only issue a warning, but don't
8531 swich to DFmode long double.
8533 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
8535 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
8536 has a constant equivalent, iterate over equivalents for arg0,
8537 calling simplify_relational_operation and if there's a result
8538 cheaper than X, apply fold_rtx and return the result.
8540 2006-02-01 Jan Hubicka <jh@suse.cz>
8542 * opts.c (no_unit_at_a_time_default): New global variable.
8543 (decode_options): Use it.
8544 * opts.h (no_unit_at_a_time_default): Declare.
8546 2006-02-01 Paul Brook <paul@codesourcery.com>
8548 * function.c (assign_parm_setup_reg): Use function argument promotion
8550 * expr.c (expand_expr_real_1): Use function argument promotion rules
8553 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8555 * gcc.c (process_command): Change j to 'unsigned int'.
8557 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8560 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
8561 Use the corrected index for the character
8562 out of the string constant.
8564 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8566 * mode-switching.c (optimize_mode_switching): Fix size
8567 allocated for bb_info[n_entities].
8569 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8571 * gcc.c (main): Correct type that is allocated for
8572 explicit_link_files.
8574 2006-01-31 Jakub Jelinek <jakub@redhat.com>
8576 * config/s390/s390.c (init_alignment_context): Set
8577 ALIAS_SET_MEMORY_BARRIER on the MEM.
8578 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
8580 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
8583 * loop-unroll.c (unroll_loop_runtime_iterations): Free
8585 * tree-ssa-live.c (type_var_init): Allocate bitmap after
8588 2006-01-31 Marcin Dalecki <martin@dalecki.de>
8590 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
8591 * regrename.c: Ditto.
8592 * tree-ssa-loop-im.c: Ditto.
8593 * tree-dump.c: Ditto.
8594 * tree-complex.c: Ditto.
8595 * genrecog.c: Ditto.
8596 * tree-ssa-threadupdate.c: Ditto.
8598 * java/class.c: Ditto.
8599 * java/jcf-parse.c: Ditto.
8600 * java/resource.c: Ditto.
8601 * java/except.c: Ditto.
8602 * java/jvspec.c: Ditto.
8603 * java/jcf-write.c: Ditto.
8604 * java/jcf-path.c: Ditto.
8605 * java/gjavah.c: Ditto.
8606 * java/zextract.c: Ditto.
8607 * java/jcf-io.c: Ditto.
8608 * java/jcf.h: Ditto.
8609 * java/buffer.c: Ditto.
8610 * java/lang.c: Ditto.
8611 * java/parse-scan.y: Ditto.
8612 * java/lex.c: Ditto.
8613 * java/lex.h: Ditto.
8614 * cfgloopmanip.c: Ditto.
8615 * postreload-gcse.c: Ditto.
8616 * tree-ssa-loop-manip.c: Ditto.
8617 * postreload.c: Ditto.
8618 * tree-ssa-loop-ch.c: Ditto.
8622 * diagnostic.c: Ditto.
8624 * genoutput.c: Ditto.
8626 * cfghooks.c: Ditto.
8627 * cfgloopanal.c: Ditto.
8628 * objc/objc-act.c: Ditto.
8630 * genextract.c: Ditto.
8631 * genautomata.c: Ditto.
8632 * pretty-print.c: Ditto.
8634 * cgraphunit.c: Ditto.
8637 * haifa-sched.c: Ditto.
8638 * dominance.c: Ditto.
8640 * tree-ssa-loop-ivopts.c: Ditto.
8642 * mode-switching.c: Ditto.
8643 * modulo-sched.c: Ditto.
8645 * ipa-pure-const.c: Ditto.
8647 * fix-header.c: Ditto.
8649 * tree-stdarg.c: Ditto.
8650 * ipa-utils.c: Ditto.
8651 * loop-init.c: Ditto.
8652 * ipa-inline.c: Ditto.
8655 * alloc-pool.c: Ditto.
8656 * dwarf2out.c: Ditto.
8658 * genattrtab.c: Ditto.
8659 * tree-ssa-loop-ivcanon.c: Ditto.
8663 * fortran/gfortranspec.c: Ditto.
8665 * local-alloc.c: Ditto.
8666 * langhooks.c: Ditto.
8667 * function.c: Ditto.
8668 * tree-vectorizer.c: Ditto.
8670 * ipa-type-escape.c: Ditto.
8672 * tree-if-conv.c: Ditto.
8675 * tree-data-ref.c: Ditto.
8676 * loop-unroll.c: Ditto.
8677 * treelang/treetree.c: Ditto.
8680 * ggc-common.c: Ditto.
8682 * coverage.c: Ditto.
8684 * tree-cfgcleanup.c: Ditto.
8685 * tree-ssa-pre.c: Ditto.
8686 * cfgcleanup.c: Ditto.
8687 * loop-invariant.c: Ditto.
8689 * ipa-prop.c: Ditto.
8690 * print-tree.c: Ditto.
8691 * conflict.c: Ditto.
8692 * ggc-page.c: Ditto.
8693 * sched-deps.c: Ditto.
8694 * regclass.c: Ditto.
8695 * tree-object-size.c: Ditto.
8697 * bb-reorder.c: Ditto.
8698 * resource.c: Ditto.
8699 * var-tracking.c: Ditto.
8701 * df-problems.c: Ditto.
8702 * reg-stack.c: Ditto.
8705 * sched-rgn.c: Ditto.
8706 * tree-ssa-structalias.c: Ditto.
8707 * tree-ssa-reassoc.c: Ditto.
8708 * config/darwin-c.c: Ditto.
8709 * config/darwin.c: Ditto.
8710 * config/arm/arm.c: Ditto.
8712 * collect2.c: Ditto.
8715 2006-01-31 Nicolas Pitre <nico@cam.org>
8717 * arm.md (smaxsi3): Make aware of smax_m1.
8720 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
8722 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
8724 2006-01-31 Richard Guenther <rguenther@suse.de>
8726 * doc/invoke.texi (-msselibm): Document.
8727 * target.h (expand_library_builtin): New target hook.
8728 * builtins.c (expand_builtin): Use expand_library_builtin.
8729 (default_expand_library_builtin): New function.
8730 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8731 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8732 (link_gcc_math_spec): Declare.
8733 (static_specs): Add link_gcc_math_spec.
8734 * expr.h (default_expand_library_builtin): Declare.
8735 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8736 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8737 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8738 * config/i386/i386.opt (msselibm): New target option.
8739 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8740 (ix86_init_sse_abi_builtins): New function.
8741 (ix86_expand_library_builtin): Likewise.
8742 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8743 (override_options): Handle error conditions wrt -msselibm.
8744 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8745 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8746 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8749 2006-01-31 Richard Guenther <rguenther@suse.de>
8750 Paolo Bonzini <bonzini@gnu.org>
8752 * doc/install.texi (--disable-libgcc-math): Document.
8754 2006-01-30 Marcin Dalecki <martin@dalecki.de>
8756 * expr.h (expand_normal): new inline function.
8757 * builtins.c: use it, use EXPAND_NORMAL explicitely.
8759 * dwarf2out.c: use it.
8764 * config/sparc/sparc.c: use it.
8765 * config/i386/i386.c: use it.
8766 * config/rs6000/rs6000.c: use it.
8767 * config/arm/arm.c: use it.
8768 * config/mips/mips.c: use it.
8769 * stmt.c: use it, use EXPAND_NORMAL explicitely.
8771 2006-01-30 Roger Sayle <roger@eyesopen.com>
8773 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
8774 argv to the appropriate type.
8776 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
8778 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
8781 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
8784 * config/s390/s390.c (struct machine_function): New flag
8785 decomposed_literal_pool_addresses_ok_p.
8786 (s390_reorg): Set it before final stage of literal pool transforms.
8787 (s390_decompose_address): Only accept displacements of the form
8788 (minus (label_ref ...) (label_ref ...)) if that flag is set.
8790 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
8792 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
8793 the comparison routine return.
8795 2006-01-30 Michael Matz <matz@suse.de>
8797 * global.c (find_reg): Only evict for global regs.
8798 Take n_refs into account and dump more info.
8800 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
8803 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
8804 (pragma_trap, pragma_nosave_low_regs): Likewise.
8805 (current_function_anonymous_args): Likewise.
8806 (sh_deferred_function_attributes): New variable.
8807 (sh_deferred_function_attributes_tail): Likewise.
8808 (print_operand): For '@', look up trap_exit attribute.
8809 (calc_live_regs): Look up trapa_handler attribute. For trapa
8810 handlers, save/restore fpscr, but don't do any other
8811 interrupt-specific saves.
8812 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
8813 Fix check for partially saved registers to check for SHmedia.
8814 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
8815 (sh_output_function_epilogue): Don't clear any of the removed
8817 (sh_insert_attributes): Don't check pragma_interrupt.
8818 Insert deferred attributes. Check that interrupt attribute is
8819 present for other attributes that require its presence.
8820 (sh_attribute_table): Add new attributes trapa_handler and
8822 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
8823 Don't check for pragma_interrupt. Don't store argument.
8824 * sh.h (pragma_interrupt, sp_switch): Don't declare.
8825 (sh_deferred_function_attributes): Declare.
8826 (sh_deferred_function_attributes_tail): Likewise.
8827 * sh.md (sp_switch_1): Add operand. Change generator caller.
8828 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
8829 (*return_i): Don't use when trap_exit attribute is in effect.
8830 (*return_trapa): New insn pattern.
8832 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
8833 setting c_target_objs and cxx_target_objs.
8834 * t-sh: Add rule for sh-c.o.
8836 2006-01-30 Richard Guenther <rguenther@suse.de>
8839 * gimplify.c (gimplify_target_expr): Handle easy cases
8840 without creating a temporary.
8842 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
8844 * vec.h (safe_grow): Remove duplicated line.
8846 2006-01-29 Diego Novillo <dnovillo@redhat.com>
8849 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
8850 (expand_omp): ... here.
8851 (expand_omp_parallel): Only remove barriers for combined
8852 parallel+workshare constructs.
8854 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
8858 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
8859 * tree.c (build_qualified_type): Chain the new type to the original
8860 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
8861 a POINTER_TYPE or a REFERENCE_TYPE respectively.
8862 (build_pointer_type_for_mode): Only return unqualified types.
8863 (build_reference_type_for_mode): Likewise.
8865 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
8867 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
8868 * Makefile.in (CXX_COMPAT_WARN): Define.
8869 * configure: Regenerate.
8871 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
8874 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
8877 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8879 * toplev.c: Fix thinko.
8881 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8882 Marcin Dalecki <martin@dalecki.de>
8884 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
8885 (push_srcloc): Use XNEW.
8886 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
8888 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
8890 * df-core.c (df_set_blocks): Deleted all variable.
8892 2006-01-28 Ian Lance Taylor <ian@airs.com>
8894 * cgraphunit.c (cgraph_assemble_pending_functions): Call
8895 cgraph_output_pending_asms.
8897 2006-01-28 Zack Weinberg <zackw@panix.com>
8899 * c.opt: Add -W(no-)overlength-strings.
8900 * doc/invoke.texi: Document it.
8901 * c-opts.c (c_common_handle_option): -pedantic implies
8902 -Woverlength-strings, if not explicitly disabled already.
8903 (c_common_post_options): -Woverlength-strings defaults to off, and
8904 is always off for C++.
8905 * c-common.c (fix_string_type): Issue warning about strings longer
8906 than is portable only if warn_overlength_strings. Rearrange code
8907 a little for clarity.
8908 * configure.in: Check for -Wno-overlength-strings as well before
8909 enabling -pedantic in stage 1.
8910 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
8911 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
8913 * genconditions.c (write_header, write_one_condition)
8914 (write_conditions, write_writer): Consolidate very long strings
8915 that were broken up to fit in C89 portable limit. Don't use
8916 printf when fputs will do.
8918 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
8920 * combine.c (simplify_comparison <AND>): Check
8921 TRULY_NOOP_TRUNCATION before start using a subreg.
8923 * config/mips/mips.md (*branch_zero<mode>,
8924 *branch_zero<mode>_inverted, *branch_equality<mode>,
8925 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
8926 Remove mode check from comparisons.
8928 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
8930 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
8932 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8934 * expmed.c (const_mult_add_overflow_p): Remove.
8935 * expr.h: Remove the prototype for const_mult_add_overflow_p.
8937 * recog.c (validate_replace_rtx_subexp): Remove.
8938 * recog.h: Remove the prototype for
8939 validate_replace_rtx_subexp.
8941 * integrate.h: Remove the prototype for
8942 copy_decl_for_inlining.
8943 * rtl.h: Remove the prototype for mark_constant_function.
8944 * tree-vectorizer.h: Remove the prototype for
8945 vect_strip_conversion.
8947 * modulo-sched.c (create_partial_schedule,
8948 free_partial_schedule, reset_partial_schedule): Make them
8951 * hooks.c (hook_bool_rtx_int_false): Remove.
8952 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
8954 2006-01-28 David Edelsohn <edelsohn@gnu.org>
8956 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8957 and -mlong-double-128 are incompatible.
8958 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
8959 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
8960 (TARGET_LIBGCC2_CFLAGS): Define.
8961 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
8962 (TARGET_LIBGCC2_CFLAGS): Same.
8963 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
8965 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8968 * c-typeck.c (build_binary_op): Perform implicit casts of
8969 operands before shortening them.
8971 * cfgloopmanip.c (split_loop_bb): Remove.
8972 * cfgloop.h: Remove the prototype for split_loop_bb.
8974 * cfgloop.c (flow_loop_outside_edge_p): Remove.
8975 * cfgloop.h: Remove the prototype for
8976 flow_loop_outside_edge_p.
8978 * emit-rtl.c (init_virtual_regs): Make it static.
8979 * function.h: Remove the prototype for init_virtual_regs.
8981 * recog.c (peephole2_optimize): Make it static.
8982 * recog.h: Remove the prototype for peephole2_optimize.
8984 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8986 * df-scan.c (df_record_entry_block_defs): Check if
8987 INCOMING_RETURN_ADDR_RTX is defined.
8989 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
8990 Kenneth Zadeck <zadeck@naturalbridge.com>
8992 PR rtl-optimization/24762
8993 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8994 * targhooks.c (hook_void_bitmap): New hook prototype.
8995 * targhoohs.h (hook_void_bitmap): Ditto.
8996 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
8997 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
8998 * target.h (live_on_entry): New function pointer.
8999 * df-scan.c (df_all_hard_regs): Removed.
9000 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
9001 (df_scan_free_internal): Added df->entry_block_defs.
9002 (df_scan_alloc): Ditto.
9003 (df_scan_dump): Ditto.
9004 (df_uses_record): Plumbed flag field properly thru calls.
9005 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
9006 This part fixes PR24762.
9007 (df_bb_refs_record): Added code to make the frame and arg
9008 pointers live in EH blocks.
9009 (df_refs_record): Added call to df_record_entry_block_defs.
9010 (df_record_entry_block_defs): New function.
9011 * df-core.c: Added comments to describe new artifical defs.
9012 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
9013 (entry_block_defs): New field in struct df.
9014 (df_all_hard_regs): Deleted.
9015 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9016 * df-problems.c (df_ru_bb_local_compute_process_def):
9017 Added code to handle artifical defs in the entry to a function.
9018 (df_ru_bb_local_compute): Ditto.
9019 (df_rd_bb_local_compute_process_def): Ditto.
9020 (df_rd_bb_local_compute): Ditto.
9021 (df_lr_bb_local_compute): Ditto.
9022 (df_ur_bb_local_compute): Ditto.
9023 (df_urec_bb_local_compute): Ditto.
9024 (df_chain_create_bb): Ditto.
9025 (df_ur_local_finalize): Removed entry.
9026 (df_urec_init): Ditto.
9027 (df_urec_local_finalize): Ditto.
9028 (df_ri_bb_compute): Added detection of last use of pseudos.
9029 * Makefile.in (df-scan.o): Updated dependencies.
9030 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
9031 * config/mips/mips.c (mips_set_live_on_entry): Added.
9032 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
9034 * dce.c (marked_insn_p): Added code to handle artifical defs.
9036 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9038 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
9040 (_mm_cvtsi128_si64): Likewise.
9041 (_mm_cvtsd_si64): Likewise.
9042 (_mm_cvttsd_si64): Likewise.
9043 (_mm_cvtsi64_sd): Likewise.
9044 (_mm_cvtsi64_si128): Likewise.
9045 * config/i386/mmintrin.h (_m_from_int64): Likewise.
9046 (_mm_cvtsi64_m64): Likewise.
9047 (_m_to_int64): Likewise.
9048 (_mm_cvtm64_si64): Likewise.
9049 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
9050 (_mm_cvttss_si64): Likewise.
9051 (_mm_cvtsi64_ss): Likewise.
9052 (_mm_cvtss_f32): Likewise.
9054 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
9056 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
9057 for pragma redefine_extname.
9059 2006-01-27 Jakub Jelinek <jakub@redhat.com>
9062 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
9063 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
9064 -mno-minimal-toc to previous content.
9065 (bispecs): Remove goal.
9066 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
9067 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
9068 compatibility aliases on powerpc-*-*gnu*.
9069 * config/rs6000/libgcc-ppc-glibc.ver: New file.
9070 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
9071 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
9072 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
9073 (ldblspecs): New goal.
9074 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
9075 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
9077 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
9078 L_sf_to_tf or L_df_to_tf is defined.
9080 2006-01-27 David Edelsohn <edelsohn@gnu.org>
9081 Alan Modra <amodra@bigpond.net.au>
9084 * config/rs6000/linux.h (POWERPC_LINUX): Define.
9085 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
9086 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
9087 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
9088 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
9089 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
9090 (rs6000_override_options): Initialize rs6000_ieeequad.
9091 Initialize TFmode format to ibm_extended_format if not
9093 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
9095 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
9096 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
9097 (function_arg_advance): IBM long double passed in two FPRs, not
9099 (function_arg): IBM long double passed in FPRs.
9100 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
9101 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
9102 Only multireg GPR aligned.
9103 (rs6000_init_libfuncs): Enable IBM long double functions if not
9105 (rs6000_generate_compare): Use IBM long double compare if not
9107 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
9108 (TARGET_IEEEQUAD): Define.
9109 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
9110 not TARGET_IEEEQUAD.
9111 * config/rs6000/rs6000.md: Enable TFmode patterns if
9113 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
9114 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9115 and -mlong-double-128 are incompatible.
9116 * doc/invoke.texi (-mabi): Collect options together. Add
9117 ibmlongdouble and ieeelongdouble.
9119 2006-01-27 Richard Sandiford <richard@codesourcery.com>
9121 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
9123 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
9124 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
9125 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
9126 * rtl.h (rtunion_def): Remove rt_ptr.
9128 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
9129 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
9130 * config/i386/winnt.c (i386_pe_mark_dllexport)
9131 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
9133 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
9135 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
9137 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9141 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
9142 pthread_key_delete. From John David Anglin. gthrw-ify
9143 pthread_getunique_np only if it it's not a macro. Delete
9145 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
9146 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
9147 __gthread_objc_condition_signal, __gthread_key_delete): Add
9148 "__attribute__ ((__unused__))" to unused arguments.
9149 (__gthread_recursive_mutex_init_function): Add missing return.
9150 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
9151 gthr-posix95.h: Use macro-based approach for name redirection
9152 on targets missing weakref.
9154 2006-01-26 Zack Weinberg <zackw@panix.com>
9156 * genconditions.c (write_header): In generated code, #ifdef out
9157 all includes and fake declarations, except includes of bconfig.h
9158 and system.h, unless GCC_VERSION >= 3001. Do not include
9159 gensupport.h in any case.
9160 (write_conditions): Generate a definition of struct c_test. Add
9161 a comment to the generated #endif.
9162 (write_one_condition): Escape backslashes in string too.
9163 (write_writer): Generated code must escape backslashes and quote
9164 marks (but not newlines) in the strings it writes.
9165 * Makefile.in (build/gencondmd.o): Update dependencies.
9167 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9170 * Makefile.in (insn-automata.o): Add header file dependencies.
9171 * genautomata.c: Add includes.
9173 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9176 * Makefile.in (insn-automata.o): Add -Wno-error flag.
9178 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9180 * configure.ac: Expect target tools paths to be passed from the toplevel
9181 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
9183 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
9185 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9188 * c.opt (Wpointer-sign): Init to -1.
9189 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
9190 OPT_pedantic, to 0 otherwise.
9191 * doc/invoke.texi: Update.
9193 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9195 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
9196 constants provided by 80387 instructions in the destination mode.
9198 2006-01-26 Richard Guenther <rguenther@suse.de>
9199 Andrew Pinski <pinskia@physics.uc.edu>
9202 partial PR tree-opt/17064
9203 * tree-ssa-structalias.c (intra_create_variable_infos):
9204 Create heap variables for incoming parameters if
9205 flag_argument_noalias > 1.
9206 (find_what_p_points_to): Look through default defs of
9209 2006-01-26 Jeff Law <law@redhat.com>
9212 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
9213 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
9214 within the VR_RANGE, use the VR_RANGE as the result, not the
9216 (adjust_range_with_scev): Reject ranges from SCEV which are out of
9217 bounds for the type.
9219 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
9221 * tree-ssa-alias.c (maybe_create_global_var): Change
9222 subvar walking to an assertion that we don't have subvar'd variables.
9224 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
9227 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
9228 Use a new variable, inner. PARM_DECLs are always non-weak.
9230 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
9232 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
9235 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
9237 * config/mips/mips.md (*clear_upper32): New combiner pattern.
9239 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
9241 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
9242 (smax_insn, smin_insn, smax_0, smin_0): New.
9244 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
9247 * config/cris/cris.c (cris_order_for_addsi3): New function.
9248 * config/cris/cris-protos.h: Prototype it.
9249 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
9250 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
9251 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
9252 (split for "op.S1 [rx=rx+i],ry (swapped)")
9253 (split for "op(s|u).S1 [rx=rx+i],ry")
9254 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
9255 Apply cris_order_for_addsi3 when generating addsi3 insns.
9257 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9259 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
9260 (TREE_BLOCK): Add call to EXPR_CHECK.
9262 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9265 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
9266 * tree-pretty-print.c (dump_omp_clause): Extract from ...
9267 (dump_omp_clauses): ... here.
9268 (dump_generic_node): Handle OMP_CLAUSE.
9269 * tree.c (omp_clause_num_ops): New.
9270 (omp_clause_code_name): New.
9271 (tree_code_size): Handle OMP_CLAUSE.
9272 (tree_size): Likewise.
9273 (make_node): Document handling of OMP_CLAUSE.
9274 (tree_node_structure): Handle OMP_CLAUSE.
9275 (omp_clause_check_failed): New.
9276 (omp_clause_range_check_failed): New.
9277 (omp_clause_operand_check_failed): New.
9278 (build_omp_clause): New.
9279 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
9280 * tree.h (enum omp_clause_code): Declare.
9281 (OMP_CLAUSE_SUBCODE_CHECK): Define.
9282 (OMP_CLAUSE_RANGE_CHECK): Define.
9283 (OMP_CLAUSE_ELT_CHECK): Define.
9284 (omp_clause_check_failed): Declare.
9285 (omp_clause_operand_check_failed): Declare.
9286 (omp_clause_range_check_failed): Declare.
9287 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
9288 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
9289 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
9290 (OMP_CLAUSE_LASTPRIVATE): Likewise.
9291 (OMP_CLAUSE_IF_EXPR): Likewise.
9292 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
9293 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
9294 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
9295 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
9296 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
9297 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
9298 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
9299 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
9300 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
9301 (OMP_CLAUSE_CODE): Define.
9302 (OMP_CLAUSE_SET_CODE): Define.
9303 (OMP_CLAUSE_CODE): Define.
9304 (OMP_CLAUSE_OPERAND): Define.
9305 (struct tree_omp_clause): Declare.
9306 (union tree_node): Add field 'omp_clause'.
9307 * treestruct.def (TS_OMP_CLAUSE): Define.
9308 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
9309 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
9310 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
9311 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
9312 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
9313 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
9314 (OMP_CLAUSE): Define.
9315 * print-tree.c (print_node): Handle OMP_CLAUSE.
9316 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
9317 * c-typeck.c: Likewise.
9318 * gimplify.c: Likewise.
9319 * c-omp.c: Likewise.
9320 * tree-nested.c: Likewise.
9321 * tree-inline.c: Likewise.
9322 * c-parser.c: Likewise.
9323 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
9326 2006-01-25 Roger Sayle <roger@eyesopen.com>
9328 PR rtl-optimization/25703
9329 * combine.c (try_combine): Handle zero_extract and strict_low_part
9330 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
9332 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
9334 * global.c: Fix comment typos.
9336 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
9339 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
9340 Use output_addr_const instead of assemble_name.
9342 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
9344 * Makefile.in (sched-vis.o): Update dependencies.
9345 * haifa-sched.c (sched_finish): Clear current_sched_info.
9346 * cfg.c (dump_bb_info): New, split from dump_flow_info.
9347 (dump_flow_info): Call it.
9348 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
9350 * basic-block.h (dump_bb_info): Declare.
9351 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
9352 option, and apply options only for dump files whose TDF_RTL,
9353 TDF_TREE, or TDF_IPA bits match.
9354 * rtl.h: Declare new functions exported from sched-vis.c.
9355 * sched-vis.c: Enable also if scheduling is not used.
9356 (print_value): Print the mode of registers if not inside scheduling.
9357 (print_insn): Make it work outside the scheduler. Beautify the output
9359 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
9361 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9363 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
9364 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
9365 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
9366 depending on the value of CONSTANT_POOL_ADDRESS_P.
9367 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
9369 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
9370 rather than SYMBOL_REF_DECL.
9371 (rtx_constant_pool): Remove const_rtx_sym_htab.
9372 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
9373 (init_varasm_status): Don't initialize const_rtx_sym_htab.
9374 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
9375 Remove handling of const_rtx_sym_htab.
9376 (find_pool_constant): Delete.
9377 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
9378 rather than find_pool_constant.
9379 (get_pool_constant_for_function): Delete.
9380 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
9382 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
9383 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
9384 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
9385 (SYMBOL_REF_CONSTANT): New macro.
9386 (get_pool_constant_for_function): Delete.
9387 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
9388 rather than SYMBOL_REF_DECL.
9389 (i386_pe_mark_dllimport): Likewise.
9390 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
9391 rather than SYMBOL_REF_DECL.
9392 * config/darwin.c (machopic_indirect_data_reference): Likewise.
9393 (machopic_indirect_call_target): Likewise.
9395 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
9397 * flow.c (delete_noop_moves): Add missing EOL to dump message.
9399 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9401 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
9403 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
9405 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
9407 2006-01-24 David Daney <ddaney@avtrex.com>
9410 * configure.ac (enable_tls): New enable option.
9411 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
9412 * configure: Regenerate.
9413 * doc/install.texi (--enable-tls): Document new option.
9414 (--disable-tls): Ditto.
9416 2006-01-24 Richard Henderson <rth@redehat.com>
9418 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
9419 * alias.c (true_dependence): Respect it.
9420 (canon_true_dependence, write_dependence_p): Likewise.
9421 * builtins.c (get_builtin_sync_mem): Set it.
9423 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
9425 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
9428 2006-01-24 DJ Delorie <dj@redhat.com>
9430 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
9431 for storing constants in single-bit bitfields.
9433 2006-01-25 Ben Elliston <bje@au.ibm.com>
9435 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
9437 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
9440 * tree-ssa-pre.c (phi_translate): Return NULL
9441 for AGGREGATE_TYPE's.
9443 2006-01-24 Zack Weinberg <zackw@panix.com>
9445 * genautomata.c (process_state_for_insn_equiv_partition):
9446 Use xcalloc for insn_arcs_array.
9447 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
9448 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
9450 2006-01-24 Richard Henderson <rth@redhat.com>
9452 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
9455 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
9457 PR rtl-optimization/25890
9458 PR rtl-optimization/25905
9459 * combine.c (expand_compound_operation, expand_field_assignment):
9460 Fail if the bitfield's final position is out of bounds.
9462 2006-01-24 Ian Lance Taylor <ian@airs.com>
9465 * cgraphunit.c (cgraph_output_in_order): Don't clear
9466 cgraph_asm_nodes until after asm strings have been output.
9468 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
9470 * fix-header.c (read_scan_file): Add new parameter imultilib when
9471 calling register_include_chains.
9473 2006-01-23 Diego Novillo <dnovillo@redhat.com>
9475 * omp-low.c: Update documentation.
9477 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9478 Daniel Berlin <dberlin@dberlin.org>
9482 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
9483 return from the function.
9485 2006-01-22 Zack Weinberg <zackw@panix.com>
9487 * rtl.def (match_code): Add second argument.
9488 * genpreds.c (write_extract_subexp): New function.
9489 (write_match_code): Add path argument. Use write_extract_subexp.
9490 (write_predicate_expr): Pass path to write_match_code.
9491 (mark_mode_tests): MATCH_CODE applied to a subexpression does
9492 not perform a mode test.
9493 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
9494 a subexpression does not constrain the top-level code set.
9495 * read-rtl.c (read_rtx_variadic): New function.
9496 (read_rtx_1): Use it; allow AND and IOR to be variadic.
9497 * doc/md.texi: Document new notation.
9498 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
9499 (cmpsi_operand): ... here, using new notation.
9501 2006-01-22 Zack Weinberg <zackw@panix.com>
9503 * varray.c: Remove GENERATOR_FILE #ifdefs.
9505 2006-01-22 Zack Weinberg <zackw@panix.com>
9507 * genautomata.c (output_reserved_units_table): Emit nothing if
9508 description->query_units_num is zero. Remove extra blank line.
9509 (output_cpu_unit_reservation_p): Short circuit
9510 if description->query_units_num is zero.
9512 2006-01-22 Zack Weinberg <zackw@panix.com>
9514 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
9515 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
9516 nor any of the random handful of variables that used to be necessary
9517 when this program was linked with rtlanal.o. Prune set of forward
9518 function declarations.
9519 (struct attr_desc): Remove static_p field.
9520 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
9521 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
9522 (attr_string): Do not read the character one past the length of
9524 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
9525 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
9526 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
9527 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
9528 (make_automaton_attrs): New.
9529 (main): Do not call into genautomata. Call local gen_bypass
9530 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
9531 Remove special case for insn_alts.
9532 * genautomata.c: Include gensupport.h; not genattrtab.h nor
9533 varray.h (leftover from previous change). Prune set of forward
9534 function declarations. Remove state_alts fields from all
9535 structures. Remove state_alts_table from struct automaton.
9536 Make everything except main static. Do not maintain num_dfa_decls.
9537 Do not maintain state_alts fields of various structures.
9538 (process_decls): Don't validate condexp for dm_insn_reserv decls.
9539 (add_arc): Remove state_alts argument. All callers updated.
9540 (output_reserved_units_table): Emit #ifdef here...
9541 (output_tables): ...not here. Don't generate state_alts tables.
9542 (expand_automata): Don't generate attributes.
9543 (write_automata): Don't generate state_alts functions.
9544 (main): New function.
9545 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
9546 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
9547 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
9548 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
9549 (BYPASS_P_FUNC_NAME, output_state_alts_table)
9550 (output_automata_list_state_alts_code, output_internal_state_alts_func)
9551 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
9552 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
9554 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
9555 * genattrtab.h: Delete file.
9556 * Makefile.in (OBJS-common): Add insn-automata.o.
9557 (insn-automata.o): New rule.
9558 (simple_generated_c): Add insn-automata.c.
9559 (build/genattrtab.o, build/genautomata.o): Update dependencies.
9560 (genprogmd): Add automata.
9561 (build/genattrtab): Needs no extra objects nor libraries.
9562 (build/genautomata): Needs build/vec.o and -lm.
9564 2006-01-22 Zack Weinberg <zackw@panix.com>
9566 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
9567 (output_dfa_max_issue_rate, locked_states_num): Delete.
9568 (struct automaton): Add locked_states field.
9569 (output_dead_lock_vect): Save number of locked states in
9570 automaton->locked_states. If it is zero, don't print anything.
9571 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
9572 (output_internal_dead_lock_func): Only test the dead_lock_vect
9573 for automata that have locked states.
9574 (output_statistics): Always print the number of locked states for
9575 each automaton. Calculate total number of locked states here.
9576 (write_automata): Don't call output_dfa_max_issue_rate.
9577 * genattrtab.c: Define length_unit_log as a const variable.
9578 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
9579 max_insn_queue_index const.
9580 * final.c (length_unit_log): Declare const.
9581 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
9583 2006-01-22 Zack Weinberg <zackw@panix.com>
9585 * genautomata.c: Include vec.h, not varray.h.
9586 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
9587 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
9588 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
9589 VEC_* macros operating on appropriately typed vectors, or to
9590 malloced arrays when the size is known in advance. Const-ify
9591 many char* variables and function arguments. No functional changes.
9592 * Makefile.in (build/varray.o): Delete rule.
9593 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
9594 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
9596 2006-01-22 Zack Weinberg <zackw@panix.com>
9598 * gensupport.c: Define get_insn_name and record_insn_name here.
9599 (read_md_rtx): Call record_insn_name as appropriate.
9600 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
9601 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
9602 * genpreds.c, genrecog.c: Don't define get_insn_name nor
9604 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
9605 (BUILD_VARRAY): Delete.
9606 (genprognormal): Rename genprogmd. Fold in all programs from
9607 genprognoprint; also attrtab.
9608 (build/genattrtab): Just mention genautomata.o and varray.o.
9609 Reorganize a bit, add comments to make the categories clearer.
9611 2006-01-22 Zack Weinberg <zackw@panix.com>
9613 * genconditions.c (condition_table, add_condition): Delete.
9614 (write_conditions): Don't emit n_insn_conditions nor
9615 insn_elision_unavailable. Issue the gcc version #ifdef here,
9616 inside the table, with no #else clause ...
9617 (write_header): ...not here.
9618 (write_writer): New function.
9619 (main): Don't initialize condition_table. Use add_c_test.
9621 * gensupport.c (init_md_reader_args_cb): Handle multiple input
9622 files on the command line.
9623 (maybe_eval_c_test): Don't check insn_elision_unavailable.
9624 Return -1 if there is no entry in the table, don't abort.
9625 (add_c_test, traverse_c_tests): New functions.
9626 * gensupport.h (insn_elision_unavailable, insn_conditions)
9627 (n_insn_conditions): Delete declarations.
9628 (add_c_test, traverse_c_tests): Declare.
9629 * read-rtl.c: Include gensupport.h.
9630 (read_conditions): New function.
9631 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
9632 (read_rtx_1): If we get EOF when we were looking for an initial
9633 open paren, return 0. Call read_conditions when appropriate.
9634 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
9635 dummy-conditions.o. Eliminate references to insn-conditions.o,
9636 or change them to build/gencondmd.o, as appropriate. Remove
9637 insn-constants.h from $(simple_generated_h) and insn-conditions.c
9638 from $(simple_generated_c). For all files remaining in those
9639 two lists, add insn-conditions.md to the generator command line.
9640 Give insn-constants.h/s-constants their own rules. Add rules
9641 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
9642 (build/read-rtl.o): Depend on gensupport.h.
9643 (genprognormal): Include preds.
9644 (genprogearly): Rename genprognoprint; only difference is now that
9645 they don't link with $(BUILD_PRINT).
9646 * dummy-conditions.c: Delete.
9648 2006-01-22 Zack Weinberg <zackw@panix.com>
9650 * genextract.c: Don't include insn-config.h. Do include vec.h.
9651 Declare vectors of int, char, and locstr.
9652 (locstr): New typedef.
9653 (struct extraction): Make all array fields into bare pointers.
9654 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
9655 (insn_code_number): Delete.
9656 (accum_extract): New struct.
9657 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
9658 (gen_insn): Take insn_code_number as an argument. Use an
9659 accum_extract structure instead of loading data directly into
9660 a struct extraction, and having to know how big it might get.
9661 (walk_rtx): Operate entirely on an accum_extract structure.
9662 (print_path): Avoid unnecessary use of printf.
9663 (print_header): New function, split out of main. Distinguish
9664 more carefully between an unrecognizable insn and an insn that
9665 has the code number of a define_expand.
9666 (main): Pass insn_code_number to gen_insn. Call print_header
9667 only after parsing. Avoid unnecessary use of printf.
9668 * Makefile.in (build/vec.o): New rule.
9669 (build/genextract): Depend on build/vec.o.
9670 (build/genextract.o): Don't depend on insn-config.h.
9672 2006-01-22 Zack Weinberg <zackw@panix.com>
9674 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
9675 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
9676 practical. Eliminate per-generator-program link rules.
9678 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9681 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9682 with a call expr to ...
9683 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9685 2006-01-23 Richard Guenther <rguenther@suse.de>
9687 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
9688 before make_edge with conditional EDGE_TRUE_VALUE.
9690 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
9691 Jan Hubicka <jh@suse.cz>
9692 Richard Guenther <rguenther@suse.de>
9694 PR rtl-optimization/25654
9695 * cfgexpand.c (aggregate_contains_union_type): New function.
9696 (add_alias_set_conflicts): Call it. Make sure to add conflicts
9697 for structure variables that contain a union type.
9699 2006-01-23 Richard Sandiford <richard@codesourcery.com>
9701 * gengtype.c (new_structure): Return the structure.
9702 (create_option): Add an extra "next" argument.
9703 (create_field): New function.
9704 (adjust_field_rtx_def): Use create_option and create_field.
9705 Remove a now-unnecessary call to find_structure.
9706 (adjust_field_tree_def): Likewise.
9707 (note_yacc_type): Remove an unnecessary call to find_structure.
9708 * gengtype.h (new_structure): Return the structure.
9709 (create_option): Add an extra argument.
9710 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
9711 (option): Adjust calls to create_option.
9713 2006-01-22 David Edelsohn <edelsohn@gnu.org>
9715 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
9717 2006-01-22 Paul Brook <paul@codesourcery.com>
9718 Peter Barada <peter@the-baradas.com>
9720 * config/m68k/m68k.md: Add Coldfire FPU support.
9721 Define FP mode macro and associated attributes.
9722 Use it for float mode patterns.
9723 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
9724 (LIBCALL_VALUE): Use m68k_libcall_value.
9725 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
9726 (m68k_function_value): Ditto.
9727 (emit_move_sequence): Ditto.
9728 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
9729 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
9730 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
9731 (MULTILIB_EXCEPTIONS): Ditto.
9732 * config/m68k/m68k.opt: Add mcfv4e.
9733 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
9734 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
9735 (m68k_output_function_prologue): Save ColdFire FPU registers.
9736 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
9737 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
9738 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
9739 ColdFire FPU registers.
9740 (m68k_libcall_value, m68k_function_value): New functions.
9741 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
9742 (LIBCALL_VALUE): Use m68k_libcall_value.
9743 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
9744 (MASK_COLDFIRE): Add MASK_CFV4E.
9745 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
9746 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
9747 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
9748 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
9749 (GO_IF_LEGITIMATE_ADDRESS): Use it.
9750 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
9751 * doc/invoke.tex: Document -mcfv4e on m68k.
9753 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
9755 * doc/contribute.texi: Change CVS to SVN and update the corresponding
9758 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
9761 * c-opts.c (c_common_handle_option): Don't include
9762 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
9763 * doc/invoke.texi (C++ Dialect Options): Document that
9764 -Wnon-virtual-dtor is no longer included in -Wall.
9766 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
9768 * gcov.c (print_version), gcov-dump.c (print_version),
9769 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
9772 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
9774 * df-scan.c (problem_SCAN): Added NULL reset function.
9775 (df_scan_reset_blocks): Added code to call reset block function
9776 (df_bb_refs_delete) Fixed comment.
9777 (df_insn_refs_delete): Made tolerant of deleting non existent info
9778 for dataflow problems that need to be reset.
9779 * df-core.c (df_set_blocks): Ditto.
9780 * df.h (struct df_problem): Added reset_fun.
9781 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
9782 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
9783 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
9784 functions to clear out all references to def-use or use-def chains.
9786 2006-01-21 Ben Elliston <bje@au.ibm.com>
9788 * varasm.c (assemble_real): Initialise data array.
9790 2006-01-20 Paul Brook <paul@codesourcery.com>
9792 Merge from csl-arm-branch.
9793 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
9794 * config/arm/arm.md (movdi): Force operands[1] to a register
9795 if we have a non-register source.
9796 (*arm_movdi, *movdf_soft_insn): Require that one of the
9797 operands be a register.
9798 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
9799 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
9801 2006-01-20 DJ Delorie <dj@redhat.com>
9803 * varasm.c (initialize_constant_valid_p): Allow pointers
9804 initialized from integer constants of lesser precision.
9805 (output_constant): Allow non-int-sized pointer modes to be
9806 initialized from integer constants.
9808 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
9811 * cppdefault.h (struct default_include): Add multilib flag.
9812 * cppdefault.c (cpp_include_defaults): Set it.
9813 * c.opt (-imultilib): New option.
9814 * c-opts.c (imultilib): New.
9815 (c_common_handle_option): Handle -imultilib.
9816 (c_common_post_options): Likewise.
9817 * c-incpath.c (add_standard_paths, register_include_chains):
9819 * c-incpath.h (register_include_chains): Add extra parameter.
9820 * gcc.c (do_spec_1): Generate -imultilib option.
9821 (The Specs Language): Update %I description.
9822 (process_command): Update copyright notice.
9823 * doc/cppopts.texi (-imultilib): Document.
9824 * doc/invoke.texi (-imultilib): Include in option summary.
9825 (%I): Update specs documentation.
9827 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9829 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
9831 2006-01-20 Richard Sandiford <richard@codesourcery.com>
9833 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
9836 2006-01-20 Richard Guenther <rguenther@suse.de>
9837 Steven Bosscher <stevenb.gcc@gmail.com>
9839 PR rtl-optimization/24626
9840 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
9841 EDGE_TRUE_VALUE if in RTL mode.
9844 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
9845 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
9847 2006-01-20 Dirk Mueller <dmueller@suse.com>
9850 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
9851 instead of a special NOP marker.
9852 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
9853 NOP marker handling.
9854 * c-common.h (empty_body_warning): Add forward declaration.
9855 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
9856 Now uses IS_EMPTY_STMT() instead of special NOP markers.
9858 2006-01-20 Paul Brook <paul@codesourcery.com>
9860 * Makefile.in (lang_checks): Keep going if mkdir fails.
9862 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9864 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
9865 be able to clean out basic block when not necessary.
9866 (df_scan_free): Fixed to properly delete information if df is
9867 unused before calling df_finish.
9868 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
9869 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
9871 (df_bb_refs_delete): New function.
9872 (df_refs_delete): Moved per block code to df_bb_refs_delete.
9873 * df-core.c (df_set_blocks): Added code to properly clean out
9874 unused blocks if they are not part of the blocks to consider.
9875 Added additional null check.
9876 (df_compact_blocks): Added basic block parameter to free_bb_fun to
9877 be able to clean out basic block when not necessary
9878 * df.h (df_free_bb_function): Ditto.
9879 (df_bb_refs_delete): New function.
9880 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
9881 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
9882 basic block parameter to be able to clean out basic block when not
9884 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
9885 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
9886 Fixed to properly delete information if df is unused before
9889 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9891 PR rtl-optimization/25799
9892 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
9893 Corrected confluence operator to remove bits from op2 before oring
9894 with op1 rather than removing bits from op1.
9895 (df_ru_transfer_function): Corrected test on wrong bitmap which
9896 caused infinite loop. Both of these problems were introduced in
9897 the dataflow rewrite.
9899 2006-01-19 DJ Delorie <dj@redhat.com>
9901 * reload1.c (find_reload_regs): Note the details of reload
9902 failures in the dump file.
9903 (spill_failure): Likewise.
9905 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9907 * loop-iv.c: Include df.h and hashtab.h.
9908 (enum iv_grd_result): New enum.
9909 (DF_REF_IV, DF_REF_IV_SET): New macros.
9910 (struct biv_entry): New.
9911 (df, bivs): New global variables.
9912 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
9913 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
9915 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
9916 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
9917 analyzed_for_bivness_p, record_biv): New functions.
9918 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
9919 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
9920 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
9922 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
9924 (iv_number_of_iterations): Use new interface to iv analysis.
9925 * loop-unroll.c: Do not include varray.h.
9926 (analyze_iv_to_split_insn): Use new interface to iv
9928 * loop-unswitch.c (may_unswitch_on): Ditto.
9929 * df.c (df_bitmaps_free): Only work for bbs for that structures are
9931 (df_bb_modify): Realloc tables to the new index.
9932 (df_find_use): New function.
9933 * df.h (df_find_use): Declare.
9934 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
9936 * cfgloop.h (struct rtx_iv): Remove analysed field.
9937 (iv_get_reaching_def): Removed.
9938 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
9939 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
9940 (loop-iv.o): Add df.h and hashtab.h dependency.
9941 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
9943 2006-01-20 Alan Modra <amodra@bigpond.net.au>
9946 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
9948 (__floatundisf, __floatundidf): Likewise.
9949 * libgcc2.h (IS_IBM_EXTENDED): Define.
9951 2006-01-19 DJ Delorie <dj@redhat.com>
9953 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
9955 2006-01-19 Paul Brook <paul@codesourcery.com>
9957 * config/arm/arm.c (arm_compute_func_type): Treat all functions
9958 as nothrow when unwinding tables are disabled.
9960 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9963 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
9964 of bit-field" when in system header.
9966 2006-01-19 DJ Delorie <dj@redhat.com>
9968 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
9969 the 16 bit shift limit of the m16c.
9971 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
9974 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
9975 * config/i386/i386.c (output_set_got): Output the label if we have one
9976 for the TARGET_DEEP_BRANCH_PREDICTION case.
9978 2006-01-19 Jan Hubicka <jh@suse.cz>
9979 H.J. Lu <hongjiu.lu@intel.com>
9980 Evandro Menezes <evandro.menezes@amd.com>
9982 * invoke.texi (generic): Document
9984 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
9985 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
9986 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
9987 (x86_use_incdec, x86_pad_returns): New variables
9988 (TARGET_CPU_DEFAULT_generic): New constant
9989 (TARGET_CPU_DEFAULT_NAMES): Add generic.
9990 (enum processor_type): Add generic32 and generic64.
9991 * i386.md (cpu attribute): Add generic32/generic64
9992 (movhi splitter): Behave sanely when both partial_reg_dependency and
9993 partial_reg_stall are set.
9994 (K8 splitters): Enable for generic as well.
9995 * predicates.md (incdec_operand): Use TARGET_INCDEC
9996 (aligned_operand): Avoid memory mismatch stalls.
9997 * athlon.md: Enable for generic64, new patterns for 128bit moves.
9998 * ppro.md: Enable for generic32
9999 * i386.c (generic64_cost, generic32_cost): New.
10000 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
10001 (x86_use_leave): Enable for generic64. (x86_use_sahf,
10002 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
10003 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
10004 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
10005 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10006 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10007 x86_accumulate_outgoing_args, x86_prologue_using_move,
10008 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
10009 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
10010 Enable for generic.
10011 (x86_use_incdec, x86_pad_returns): New.
10012 (override_options): Add generic32 and generic64, translate "generic"
10013 to generic32/generic64 and "i686" to "generic32", refuse
10014 "generic32"/"generic64" as arch target.
10015 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
10016 (ix86_reorg): Honor PAD_RETURNS.
10018 2006-01-19 Diego Novillo <dnovillo@redhat.com>
10020 * tree-pretty-print.c (dump_generic_node): Handle
10021 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
10022 * cgraph.c (cgraph_expand_queue): Rename from
10023 cgraph_analyze_queue. Update all users.
10024 * cgraphunit.c (cgraph_assemble_pending_functions): Process
10025 cgraph_expand_queue.
10026 (cgraph_expand_all_functions): Likewise.
10027 (cgraph_finalize_pending_functions): Remove. Update callers.
10029 * tree.h (OMP_DIRECTIVE_P): Define.
10030 (OMP_PARALLEL_FN): Define.
10031 (OMP_PARALLEL_DATA_ARG): Define.
10032 (OMP_SECTIONS_SECTIONS): Define.
10033 * tree-pass.h (pass_expand_omp): Declare.
10034 * omp-low.c (struct omp_region): Declare.
10035 (struct omp_context): Remove fields 'parallel_type',
10036 'parallel_start_ix' and 'parallel_start_additional_args'.
10038 (struct omp_for_data): Rename from struct expand_omp_for_data.
10039 (omp_regions): New static variable.
10040 (root_omp_region): New static variable.
10041 (find_omp_clause): Make static.
10042 (is_in_combined_parallel_ctx): Remove.
10043 (is_combined_parallel): New.
10044 (extract_omp_for_data): Move earlier in the file.
10045 (workshare_safe_to_combine_p): New.
10046 (get_ws_args_for): New.
10047 (determine_parallel_type): Move earlier in the file.
10048 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
10050 (omp_copy_decl): Likewise.
10051 (create_omp_child_function): Likewise.
10052 (lookup_omp_region): New.
10053 (dump_omp_region): New.
10054 (debug_omp_region): New.
10055 (debug_all_omp_regions): New.
10056 (new_omp_region): New.
10057 (scan_omp_parallel): If parallel_nesting_level > 1, the
10058 directive is nested within another parallel directive.
10059 Set OMP_PARALLEL_FN.
10060 (scan_omp_for): Do not try to handle combined parallel+for
10062 Remove FIXME comment.
10063 (scan_omp_nested): Remove.
10064 (scan_omp_1): Do not call scan_omp_nested when
10065 parallel_nesting_level is > 1.
10066 Do not change the DECL_CONTEXT of local variables found.
10067 (lookup_decl_in_outer_ctx): New.
10068 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
10069 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
10070 (lower_reduction_clauses): Rename from expand_reduction_clauses.
10071 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
10072 If CTX is nested, lookup VAR in the outer context when
10073 building copy assignment.
10074 (lower_send_clauses): Rename from expand_send_clauses.
10075 If CTX is nested, lookup VAR in the outer context when
10076 building copy assignments.
10077 (lower_send_shared_vars): Rename from expand_send_shared_vars.
10078 If CTX is nested, lookup VAR in the outer context when
10079 building copy assignments.
10080 (expand_parallel_call): Rename from build_parallel_call.
10081 Handle combined parallel+workshare cases.
10082 Re-implement to emit code into the CFG.
10084 (expand_omp_parallel): Re-implement to emit code into the CFG.
10085 Call move_sese_region_to_fn to outline the sub-graph
10086 containing the parallel region.
10087 (expand_omp_for_1): Remove.
10088 (expand_omp_for_generic): Re-implement to emit code into the
10090 (expand_omp_for_static_nochunk): Likewise.
10091 (expand_omp_for_static_chunk): Likewise.
10092 (expand_omp_for): Likewise.
10093 (expand_omp_sections): Likewise.
10094 (remove_exit_barriers): New.
10095 (expand_omp_synch): New.
10097 (build_omp_regions_1): New.
10098 (build_omp_regions): New.
10099 (execute_expand_omp): New.
10100 (gate_expand_omp): New.
10101 (pass_expand_omp): Define.
10102 (lower_omp_sections): Rename from expand_omp_sections.
10103 Set OMP_SECTIONS_SECTIONS.
10104 (lower_omp_single_simple): Rename from expand_omp_single_simple.
10105 (lower_omp_single_copy): Rename from expand_omp_single_copy.
10106 (lower_omp_single): Rename from expand_omp_simple.
10107 (lower_omp_master): Rename from expand_omp_master.
10108 (lower_omp_ordered): Rename from expand_omp_ordered.
10109 (lower_omp_critical): Rename from expand_omp_critical.
10110 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
10111 (lower_omp_for): Re-implement.
10112 (lower_omp_parallel): Re-implement.
10113 (lower_regimplify): Rename from expand_regimplify.
10114 (lower_omp_1): Rename from expand_omp_1.
10115 If there are syntax errors in the program, replace every
10116 OpenMP directive with NOP.
10117 Call lower_omp_* instead of expand_omp_*.
10118 (lower_omp): Rename from expand_omp.
10120 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
10121 * tree-gimple.h (enum omp_parallel_type): Remove.
10122 (gimple_boolify): Declare extern.
10123 (find_omp_clause, determine_parallel_type): Remove.
10125 * gimple-low.c (lower_omp_directive): New.
10126 (lower_stmt): Call it.
10127 (record_vars_into): Move from ...
10128 (record_vars): ... here.
10129 Call record_vars_into with current_function_decl.
10131 * gimplify.c (struct gimplify_ctx): Remove fields
10132 combined_pre_p and combined_ctxp. Update users.
10133 (get_formal_tmp_var): Add documentation.
10134 (gimple_boolify): Make extern.
10135 (gimplify_expr_in_ctx): Remove. Update callers.
10136 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
10137 will always be a BIND_EXPR.
10138 (gimplify_expr): Handle OMP_RETURN_EXPR.
10139 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
10140 (OMP_PARALLEL): Add 3 operands.
10141 (OMP_SECTIONS): Add 1 operand.
10142 (OMP_RETURN_EXPR): Define.
10144 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
10145 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
10146 * tree-iterator.c (alloc_stmt_list): Assert that we are not
10147 creating a circular free list.
10148 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
10150 * tree-flow.h (move_sese_region_to_fn): Declare.
10151 (record_vars_into): Declare.
10152 * tree-cfg.c (make_omp_sections_edges): New.
10153 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
10154 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
10155 OMP_SECTIONS and OMP_SECTION.
10156 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
10157 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
10158 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
10159 (gather_blocks_in_sese_region): New.
10160 (struct move_stmt_d): Declare.
10161 (move_stmt_r): New.
10162 (move_block_to_fn): New.
10163 (move_sese_region_to_fn): New.
10165 * passes.c (init_optimization_passes): Schedule
10166 pass_expand_omp after pass_init_datastructures.
10168 * tree-ssa-operands.c (get_expr_operands): Handle
10169 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
10170 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
10172 2006-01-19 Jeff Law <law@redhat.com>
10174 * tree-vrp.c (extract_range_from_assert): Refine the result range
10175 if the variable referenced by the ASSERT_EXPR has a range and
10176 either the tentative result range or the previous range is a
10179 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10181 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
10183 2006-01-19 Jan Hubicka <jh@suse.cz>
10185 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
10187 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
10189 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
10190 (expand_compound_operation, expand_field_assignment): Fail if the
10191 bit lengths of an extract operation are out of range.
10192 (make_extraction): Compute wanted_inner_mode based on the position
10193 and length of the extraction. Make it extraction_mode for non-constant
10194 positions, and do not modify offset in that case. When generating a
10195 new MEM, use a mode that can hold the extraction while keeping correct
10196 alignment. Remove code that supported MEMs wrapped by USEs.
10197 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
10199 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
10201 * config/s390/s390.md ("Y", "y"): New mode attribute.
10202 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
10203 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
10204 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
10205 "*addsi3_imm_cc", "*addsi3_carry1_cc",
10206 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
10207 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
10208 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
10209 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
10210 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
10211 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
10212 "addsi3", "subsi3"): Insn patterns removed.
10213 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
10214 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
10215 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
10216 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
10217 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
10218 "*sub<mode>3_cconly2"): New insn patterns.
10219 ("addsi3", "subsi3"): New expanders.
10221 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
10223 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
10224 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
10225 existing STMT_VINFO_VECTYPE if available.
10226 (vect_mark_relevant): Add special handling for stmts that are
10227 marked as STMT_VINFO_IN_PATTERN_P.
10228 (vect_analyze_loop): Call vect_pattern_recog.
10229 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
10230 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
10232 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
10233 (vect_recog_func_ptr): New function-pointer type.
10234 * tree-vect-patterns.c: New file.
10235 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
10236 (vect_recog_dot_prod_pattern, vect_pattern_recog):
10237 (vect_pattern_recog_1): New functions.
10238 (vect_pattern_recog_funcs): New array of function pointers.
10240 * tree-vectorizer.h (ternary_op): New enum value.
10241 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
10242 declaration. Revised documentation. Removed redundant dump prints.
10243 Removed redundant argument. Added support for reduction patterns.
10244 (vectorizable_reduction): Added support for reduction patterns.
10245 (vect_transform_stmt): Added support for patterns.
10247 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
10248 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
10249 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
10250 (expand_widen_pattern_expr): New function.
10251 (init_optabs): Initialize new optabs udot_prod_optab,
10253 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
10254 (sdot_prod_optab, udot_prod_optab): Define new optabs.
10255 (expand_widen_pattern_expr): New function declaration.
10256 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
10258 * tree-inline.c (estimate_num_insns_1): Added cases for new
10259 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10260 * tree-pretty-print.c (dump_generic_node): Likewise.
10261 (op_prio): Likewise.
10262 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10263 * tree-ssa-operands.c (get_expr_operands): Added case for
10265 * tree-vect-patterns.c (widened_name_p): New function.
10266 (vect_recog_dot_prod_pattern): Added function implementation.
10267 * tree-vect-transform.c (get_initial_def_for_reduction): Added
10268 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
10269 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
10270 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
10272 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
10273 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
10274 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
10275 (init_optabs): Initialize new optabs widen_ssum_optab,
10277 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
10278 (widen_ssum_optab, widen_usum_optab): Define new optabs.
10279 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
10280 use instead of type of def.
10281 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
10282 function implementation.
10283 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
10284 widen_ssumv8hi): New.
10286 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
10289 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10292 * c-decl.c (add_flexible_array_elts_to_size): New function.
10293 (finish_decl): Use it.
10295 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
10297 * diagnostic.h: Include options.h.
10298 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
10299 dependancies for diagnostic.h.
10300 * Makefile.in (DIAGNOSTIC_H): Add options.h.
10302 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
10304 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
10305 (ssa_ro_call_cache_valid): Ditto.
10306 * tree-ssa-alias.c (sort_tags_by_id): New function.
10307 (init_transitive_clobber_worklist): Ditto.
10308 (add_to_worklist): Ditto.
10309 (mark_aliases_call_clobbered): Ditto.
10310 (compute_tag_properties): Ditto.
10311 (set_initial_properties): Ditto.
10312 (compute_call_clobbered): Ditto.
10313 (compute_may_aliases): Call compute_call_clobbered and grouping.
10314 (compute_flow_sensitive_aliasing): Remove clobbering related code.
10315 (compute_flow_insensitive_aliasing): Grouping now happens in our
10317 (setup_pointers_and_addressables): Remove clobbering related code.
10318 (add_may_alias): Ditto.
10319 (replace_may_alias): Ditto.
10320 (get_nmt_for): Ditto.
10321 (create_global_var):
10322 (is_escape_site): Return an escape_type enumeration.
10323 * tree-flow-inline.h (is_call_clobbered): Global var does not
10324 imply call clobbered.
10325 (mark_call_clobbered): Take a reason for marking this. Remove
10326 marking of globalness, and cache invalidation.
10327 (clear_call_clobbered): Remove cache invalidation code.
10328 * tree-dfa.c (dump_variable): If details is on, dump the reason
10330 * tree-outof-ssa.c (create_temp): Copy escape mask from original
10332 * tree-flow.h (struct ptr_info_def): Add escape mask member.
10333 (struct var_ann_d): Ditto.
10334 (enum escape_type): New.
10335 (mark_call_clobbered): Adjust prototype.
10336 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
10337 are never call clobbered.
10338 Record reasons for escaping.
10339 * tree-ssa-structalias.h (is_escape_site): Update prototype.
10340 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
10341 (ssa_ro_call_cache_valid): Ditto.
10342 (clobbered_v_may_defs): Ditto.
10343 (clobbered_vuses): Ditto.
10344 (ro_call_vuses): Ditto.
10345 (clobber_stats): New.
10346 (init_ssa_operands): Zero out clobber stats.
10347 (fini_ssa_operands): Print out clobber stats.
10348 (get_call_expr_operands): Pass callee fndecl to
10349 add_call_read_ops).
10350 (add_call_clobber_ops): Remove use of cache.
10351 Add use of PURE_CONST information.
10352 (add_call_read_ops): Remove use of cache.
10353 Add use of static not_read information.
10355 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
10357 Introduce TLS descriptors for i386 and x86_64.
10358 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
10359 (TARGET_ANY_GNU_TLS): New macro.
10360 (enum tls_dialect): Added TLS_DIALECT_GNU2.
10361 (struct machine_function): Add tls_descriptor_call_expanded_p.
10362 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
10363 (ix86_current_function_calls_tls_descriptor): Likewise.
10364 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
10365 (override_options): Introduce gnu2 tls dialect.
10366 (ix86_frame_pointer_required): Functions containing TLSCALLs are
10368 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
10370 (legitimize_tls_address): Adjust logic for GNU2 TLS.
10371 (ix86_init_machine_status): Initialize new field.
10372 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
10373 (ix86_tls_module_base): New.
10374 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
10375 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
10376 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
10377 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
10378 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
10379 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
10380 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
10381 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
10382 * config/i386/predicates.md (tls_modbase_operand): New.
10383 (tp_or_register_operand): New.
10385 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
10387 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
10388 (look_for_address_of): Ditto.
10389 (ipa_init): Walk the function decls.
10390 (static_execute): Don't set readonly on FUNCTION_DECL's.
10392 2006-01-18 Roger Sayle <roger@eyesopen.com>
10394 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
10395 for shifts where the source and destination registers are different.
10397 2006-01-18 Paul Brook <paul@codesourcery.com>
10399 Merge from csl-arm-branch.
10400 2005-03-14 Julian Brown <julian@codesourcery.com>
10401 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
10402 (aeabi_llsl): Likewise.
10403 (ashrdi3): Likewise.
10404 (aeabi_lasr): Likewise.
10405 (lshrdi3): Likewise.
10406 (aeabi_llsr): Likewise.
10407 2005-03-10 Julian Brown <julian@codesourcery.com>
10408 * config.gcc: Disable shared libgcc for SymbianOS.
10409 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
10411 2006-01-18 DJ Delorie <dj@redhat.com>
10413 * c-pragma.c (handle_pragma_diagnostic): New.
10414 (init_pragma): Register it.
10415 * doc/extend.texi: Document it.
10417 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
10418 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
10419 (diagnostic_context): Add classify_diagnostic[].
10420 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
10421 as errors if they're overridden to DK_WARNING.
10422 (diagnostic_initialize): Initialize classify_diagnostic[].
10423 (diagnostic_set_kind_override): New.
10424 (diagnostic_report_diagnostic): Check for kind changes.
10425 * opts.c (common_handle_option): Take lang_mask. Update callers.
10426 Handle OPT_Werror_.
10427 * common.opt (Werror=): New.
10428 * doc/invoke.texi: Document -Werror=*
10430 2006-01-18 Jeff Law <law@redhat.com>
10432 * tree-vrp.c (test_for_singularity): Correct test for new
10433 min limit. Use operand_equal_p rather than pointer equality
10434 for testing if new min/max values are equal.
10436 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
10437 using range information until after propagation and folding.
10439 2006-01-18 Richard Henderson <rth@redhat.com>
10440 Aldy Hernandez <aldyh@redhat.com>
10441 Jakub Jelinek <jakub@redhat.com>
10442 Diego Novillo <dnovillo@redhat.com>
10444 * omp-low.c: New file.
10445 * c-omp.c: New file.
10447 2006-01-18 Richard Henderson <rth@redhat.com>
10448 Jakub Jelinek <jakub@redhat.com>
10449 Diego Novillo <dnovillo@redhat.com>
10451 * doc/invoke.texi: Document -fopenmp.
10452 * tree-dump.h (debug_function): Declare.
10453 * hooks.c (hook_bool_tree_bool_false): New function.
10454 (hook_tree_tree_null): Remove.
10455 (hook_tree_tree_tree_null): New.
10456 * hooks.h: Update to match.
10457 * tree-pretty-print.c (debug_tree_chain): New.
10458 (print_generic_expr): Handle TDF_CHAIN.
10459 (dump_generic_node): Handle BLOCK.
10460 Do not abort with incomplete SWITCH_EXPRs.
10461 Do not dump body of an OpenMP directive if TDF_SLIM is given.
10462 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
10463 print space after directive name.
10464 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
10465 Handle OMP_MASTER and OMP_ORDERED.
10466 Handle printing of OMP_BODY just in one place, goto
10467 dump_omp_body in the rest of OMP_* nodes that have
10469 Don't handle clause nodes here. Update omp statements to
10470 use dump_omp_clauses.
10471 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
10472 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
10473 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
10474 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
10475 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
10476 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
10477 Adjust output for GOMP_PARALLEL.
10478 (dump_omp_clauses): New.
10479 (print_declaration): Dump DECL_VALUE_EXPR.
10480 (op_symbol_1): Split out of op_symbol.
10481 (dumping_stmts): Remove. Update all users.
10482 * cgraph.c (cgraph_analyze_queue): New.
10483 (cgraph_add_new_function): New.
10484 * cgraph.h (cgraph_analyze_queue): Declare.
10485 (cgraph_add_new_function): Declare.
10486 (cgraph_lower_function): Remove.
10487 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
10488 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
10489 and TYPE_P nodes in its default clause.
10490 (empty_body_p): New.
10491 (tree_range_check_failed): New.
10492 (build5_stat): New.
10493 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
10494 OMP_CLAUSE_REDUCTION_MERGE,
10495 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
10496 OMP_CLAUSE_PRIVATE_DEBUG,
10497 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
10498 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
10499 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
10500 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
10501 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
10502 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
10503 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
10504 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
10505 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
10506 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
10507 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
10508 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
10509 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
10510 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
10511 (TREE_RANGE_CHECK): New.
10512 (empty_body_p): Declare.
10513 (enum omp_clause_default_kind): New.
10514 (build_string_literal): Declare.
10515 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
10516 (build5_stat, build5): Declare.
10517 * tree-pass.h (TDF_CHAIN): Define.
10518 * tree-pass.h (PROP_gimple_lomp): Define.
10519 (pass_lower_omp): Declare.
10520 * diagnostic.h (debug_tree_chain): Declare.
10521 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
10523 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
10524 * builtins.c (build_string_literal): Make extern.
10525 * gcc.c (include_spec_function): New.
10526 (static_spec_functions): Add it.
10527 (main): Move load of libgomp.spec ...
10528 (LINK_COMMAND_SPEC): ... here.
10529 (link_gomp_spec): New.
10530 (static_specs): Include it.
10531 (LINK_COMMAND_SPEC): Add link_gomp.
10532 (GOMP_SELF_SPECS): New.
10533 (driver_self_specs): Include it.
10534 (switch_matches): Don't mark inline.
10535 (main): Load libgomp.spec.
10536 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
10537 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
10538 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
10539 * tree-gimple.h (enum omp_parallel): Declare.
10540 (determine_parallel_type): Declare.
10541 (omp_firstprivatize_variable): Declare.
10542 (omp_reduction_init): Declare.
10543 (diagnose_omp_structured_block_errors): Declare.
10544 (struct walk_stmt_info): Add want_return_expr.
10545 (struct walk_stmt_info): Add want_bind_expr, want_locations.
10546 (find_omp_clause): Declare.
10547 (insert_field_into_struct): Declare.
10548 (struct walk_stmt_info): Move from tree-nested.c
10549 (walk_stmts): Declare.
10550 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
10552 * cgraphunit.c (cgraph_lower_function): Make static.
10553 (cgraph_finalize_pending_functions): New.
10554 (cgraph_finalize_function): Call it.
10555 (cgraph_finalize_compilation_unit): Likewise.
10556 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
10557 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
10558 (BT_FN_UINT_UINT): New.
10559 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
10560 DEF_FUNCTION_TYPE_VAR_4): Document.
10561 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
10562 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
10563 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
10564 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
10565 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
10566 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
10567 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
10568 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
10569 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
10570 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
10571 into separate files.
10572 (DEF_GOMP_BUILTIN): New.
10573 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
10574 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
10575 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
10576 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
10577 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
10578 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
10579 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
10580 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
10581 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
10582 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
10583 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
10584 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
10585 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
10586 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
10587 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
10588 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
10589 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
10590 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
10591 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
10592 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
10593 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
10594 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
10595 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
10596 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
10597 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
10598 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
10599 * sync-builtins.def: New file, moved from builtins.def.
10600 * omp-builtins.def: New file, moved from builtins.def.
10601 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
10602 * gimple-low.c (lower_function_body): Clear data.
10603 (lower_stmt): Do not handle COMPOUND_EXPR.
10604 Remove call to print_node_brief.
10605 * c-tree.h (c_finish_omp_clauses): New prototype.
10606 (C_DECL_THREADPRIVATE_P): Define.
10607 (lookup_name_no_remap, c_omp_remap_private): Remove
10608 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
10609 (check_for_loop_decls): Update decl.
10610 (lookup_name_no_remap, c_omp_remap_private): Declare.
10611 (build_indirect_ref, build_modify_expr, pushdecl,
10612 pushdecl_top_level): Move to c-common.h.
10613 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
10614 before the switch, but just in the 2 places that need it.
10615 * c-decl.c (diagnose_mismatched_decls): Do not check for
10616 mismatched thread-local attributes when OLDDECL is marked
10617 threadprivate and NEWDECL has no thread-local attributes.
10618 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
10619 (c_gimple_diagnostics_recursively): Rename from
10620 c_warn_unused_result_recursively. Invoke
10621 diagnose_omp_structured_block_errors.
10622 (check_for_loop_decls): Return a singular decl found.
10623 * langhooks.c (lhd_omp_predetermined_sharing): Return
10624 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
10625 (lhd_omp_firstprivatize_type_sizes): New.
10626 (lhd_omp_assignment): New.
10627 (lhd_omp_predetermined_sharing): New.
10628 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
10629 (struct lang_hooks_for_types): Add
10630 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
10631 omp_predetermined_sharing, omp_disregard_value_expr,
10632 omp_private_debug_clause, omp_clause_default_ctor,
10633 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
10634 (c_finish_omp_clauses): New.
10635 (c_finish_bc_stmt): Diagnose break within omp for.
10636 (c_begin_omp_parallel, c_finish_omp_parallel): New.
10637 (build_unary_op): Return error_mark after reporting
10639 (build_modify_expr): Likewise.
10640 * gimplify.c: Include optabs.h and pointer-set.h.
10641 (enum gimplify_omp_var_data): Declare.
10642 (struct gimplify_omp_ctx): Declare.
10643 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
10645 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
10646 (push_gimplify_context, pop_gimplify_context): Allow nesting.
10647 (splay_tree_compare_decl_uid): New.
10648 (new_omp_context): New.
10649 (delete_omp_context): New.
10650 (gimple_add_tmp_var): Call omp_add_variable.
10651 (gimplify_bind_expr): Likewise.
10652 (gimplify_var_or_parm_decl): If omp_notice_variable returned
10653 true, disregard DECL_VALUE_EXPR on the decl if any.
10654 (gimplify_expr_in_ctx): New.
10655 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
10656 omp_add_variable, omp_notice_variable, omp_is_private
10657 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
10658 gimplify_adjust_omp_clauses, gimplify_omp_parallel
10659 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
10660 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
10661 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
10662 gimplify_omp_atomic): New.
10663 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10664 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10665 OMP_CRITICAL and OMP_ATOMIC.
10666 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
10667 * c-pragma.h (enum pragma_kind): Add
10668 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
10669 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
10670 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
10671 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
10672 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
10673 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
10674 PRAGMA_OMP_THREADPRIVATE.
10675 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10676 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10677 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
10678 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
10679 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
10680 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
10681 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
10682 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
10683 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
10684 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
10685 * tree-ssa-dce.c (find_control_dependence): Do not assume that
10686 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
10687 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
10689 (struct nesting_info): Add field_map,
10690 suppress_expansion, debug_var_chain.
10691 (create_nesting_tree): Initialize them.
10692 (lookup_field_for_decl): Use field_map.
10693 (get_nonlocal_debug_decl, get_local_debug_decl): New.
10694 (convert_local_omp_clauses): New.
10695 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
10696 (walk_body): Split out of walk_function.
10697 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
10698 (convert_nonlocal_reference): Handle omp statements.
10699 (convert_local_reference): Likewise.
10700 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
10701 (unnest_nesting_tree): New.
10702 (lower_nested_functions): Call it.
10703 (insert_field_into_struct): Make extern.
10704 (struct walk_stmt_info): Move to tree-gimple.h.
10705 (walk_stmts): Make extern.
10706 * omp-builtins.def: New file.
10707 * tree-iterator.c (expr_only): Clarify comment.
10708 * c-common.h (pushdecl_top_level, pushdecl,
10709 build_modify_expr, build_indirect_ref,
10710 c_finish_omp_master, c_finish_omp_critical,
10711 c_finish_omp_ordered, c_finish_omp_barrier,
10712 c_finish_omp_atomic, c_finish_omp_flush,
10713 c_finish_omp_for, c_split_parallel_clauses,
10714 omp_clause_default_kind, c_omp_sharing_predetermined,
10715 c_omp_remap_decl): Declare.
10716 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
10717 (OBJS-common): Add omp-low.o.
10718 (c-omp.o, omp-low.o): Add.
10719 (gimplify.o): Add dependency on $(OPTABS_H).
10720 (GTFILES): Add omp-low.c.
10721 (gt-stringpool.h): Add.
10722 * tree-cfg.c (set_bb_for_stmt): Do not update the
10723 block-to-labels map if we are currently expanding to RTL.
10724 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
10726 Handle IDENTIFIER_NODE.
10727 (tree_verify_flow_info): Do not ICE when emitting error
10728 messages about invalid labels.
10729 (dump_function_to_file): Reset CFUN before emitting the body
10731 (debug_function): New.
10732 * passes.c (init_optimization_passes): Schedule
10734 * langhooks-def.h (lhd_omp_predetermined_sharing,
10735 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
10737 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
10738 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
10739 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
10740 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
10741 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
10742 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
10743 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
10744 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
10745 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
10746 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
10747 (LANG_HOOK_DECLS): Use them.
10749 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
10750 Richard Henderson <rth@redhat.com>
10751 Jakub Jelinek <jakub@redhat.com>
10752 Diego Novillo <dnovillo@redhat.com>
10754 * c-parser.c (pragma_omp_clause): Define.
10755 (c_parser_declaration_or_fndef): Document OpenMP syntax.
10756 (c_parser_compound_statement): Likewise.
10757 (c_parser_statement): Likewise.
10758 (c_parser_pragma): Handle omp pragmas.
10759 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
10760 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
10761 (c_parser_omp_clause_name, check_no_duplicate_clause,
10762 c_parser_omp_variable_list,
10763 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
10764 c_parser_omp_clause_copyprivate,
10765 c_parser_omp_clause_default,
10766 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
10767 c_parser_omp_clause_lastprivate,
10768 c_parser_omp_clause_nowait,
10769 c_parser_omp_clause_num_threads,
10770 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
10771 c_parser_omp_clause_reduction,
10772 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
10773 c_parser_omp_all_clauses, c_parser_omp_structured_block,
10774 c_parser_omp_atomic, c_parser_omp_barrier,
10775 c_parser_omp_critical, c_parser_omp_flush,
10776 c_parser_omp_for_loop, c_parser_omp_for,
10777 c_parser_omp_master, c_parser_omp_ordered,
10778 c_parser_omp_sections_scope, c_parser_omp_sections,
10779 c_parser_omp_parallel, c_parser_omp_single,
10780 c_parser_omp_construct, c_parser_omp_threadprivate): New.
10781 * c-pragma.c (init_pragma): Do omp pragma registration here.
10782 * c.opt (fopenmp): New flag.
10784 2006-01-18 Eric Christopher <echristo@apple.com>
10786 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
10787 * config/darwin.h (GOMP_SELF_SPECS): Define.
10789 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10791 * rtl.h: Remove the prototype for reg_alloc.
10793 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10796 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
10797 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
10798 sjlj and dwarf2 exception handling.
10799 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
10800 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
10801 * pa/pa.c (function_value): Treat complex and vector types as
10803 (function_arg): Likewise. Only pass scalar floats in the floating
10804 point argument registers.
10805 * pa/t-slibgcc-dwarf-ver: New file.
10806 * pa/t-slibgcc-sjlj-ver: New file.
10807 * pa/t-slibgcc-elf-ver: Delete file.
10809 2006-01-19 Alan Modra <amodra@bigpond.net.au>
10811 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
10812 unlikely_test_section_p test.
10814 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10816 * mode-switching.c (optimize_mode_switching): Make it static.
10817 * basic-block.h: Remove the prototype for
10818 optimize_mode_switching.
10820 * modulo-sched.c (sms_schedule): Make it static.
10821 * rtl.h: Remove the prototype for sms_schedule.
10823 * postreload-gcse.c (gcse_after_reload_main): Make it static.
10824 * rtl.h: Remove the prototype for gcse_after_reload_main.
10826 * reg-stack.c (reg_to_stack): Make it static.
10827 * rtl.h: Remove the prototype for reg_to_stack.
10829 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
10831 * rtl.h: Remove the prototypes for regrename_optimize and
10832 copyprop_hardreg_forward.
10834 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
10836 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
10837 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
10838 Test against the appropriate null constant for the mode.
10839 If 'fixup_overlap' is true, swap the operands if they overlap.
10840 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
10841 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
10842 alpha_split_tmode_pair and adjust for above change.
10843 * config/alpha/alpha.md (movtf_internal): Adjust call to
10844 alpha_split_tfmode_pair and rely on it to swap the operands.
10845 (movti_internal): New insn and post-reload splitter.
10846 (movti): New expander.
10848 2006-01-18 Philippe De Muyter <phdm@macqel.be>
10850 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
10853 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10855 * rtlanal.c (global_reg_mentioned_p_1,
10856 global_reg_mentioned_p): Remove.
10857 * rtl.h: Remove the prototype for global_reg_mentioned_p.
10859 * flow.c (initialize_uninitialized_subregs): Make it static.
10860 * rtl.h: Remove the prototype for
10861 initialize_uninitialized_subregs.
10863 * function.c (instantiate_virtual_regs): Make it static.
10864 * function.h: Remove the prototype for
10865 instantiate_virtual_regs.
10867 * regmove.c (regmove_optimize, combine_stack_adjustments):
10869 * rtl.h: Remove the prototypes for regmove_optimize and
10870 combine_stack_adjustments.
10872 2006-01-17 Roger Sayle <roger@eyesopen.com>
10874 * config/i386/i386.c (COSTS_N_BYTES): New macro.
10875 (size_cost): Encode costs in bytes so that a reg-reg addition is
10876 equivalent to COSTS_N_INSNS(1).
10877 (override_options): Use the size_cost.branch_cost as the default
10878 ix86_branch_cost when optimizing for size.
10880 2006-01-18 Ben Elliston <bje@au.ibm.com>
10882 * Makefile.in (D32PBIT_FUNCS): New.
10883 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
10884 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
10885 D64PBIT_FUNCS and D128PBIT_FUNCS.
10886 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
10887 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
10889 (decnumber_dep): Define.
10890 * doc/libgcc.texi (Decimal float library routines): New node.
10891 * config/dfp-bit.h, config/dfp-bit.c: New files.
10893 2006-01-18 Ben Elliston <bje@au.ibm.com>
10895 * expr.c (emit_move_change_mode): Always adjust addresses, not
10896 just during reload. Copy replacements only during reload.
10897 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
10898 emit_move_via_integer.
10900 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
10902 * Makefile.in (check-%, check-consistency): Use $${srcdir}
10903 instead of $(srcdir) and ${srcdir}.
10905 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
10908 PR middle-end/11135
10909 * arm.h (struct machine_function): Add pic_reg.
10910 * arm.c (arm_pic_register): Make unsigned.
10911 (arm_override_options): Only set arm_pic_register if
10912 TARGET_SINGLE_PIC_BASE.
10913 (use_return_insn): Only test for a pic register if it is fixed.
10914 (arm_compute_save_reg0_reg12_mask): Likewise.
10915 (thumb_compute_save_reg_mask): Likewise.
10916 (legitimate_pic_operand): Factor out some known invariants.
10917 (legitimize_pic_address): If we don't have a fixed pic register,
10918 then set up a pseudo in the function entry sequence. Handle the
10919 pic base being in a pseudo.
10920 (arm_load_pic_register): Handle the pic register being in a pseudo.
10921 (arm_expand_prologue): Only set up the pic register if it is fixed.
10922 (thumb_expand_prologue): Likewise.
10923 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
10924 (pic_load_addr_based_insn): Likewise.
10925 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
10928 2006-01-18 Ben Elliston <bje@au.ibm.com>
10930 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
10931 decimal float modes for all floating point registers.
10933 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
10934 match_code "mem" with match_test "macho_lo_sum_memory_operand".
10936 2006-01-17 Jakub Jelinek <jakub@redhat.com>
10939 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
10940 even when the pointer is not NULL.
10942 2006-01-16 Ian Lance Taylor <ian@airs.com>
10944 * common.opt (ftoplevel-reorder): New option.
10945 * cgraph.c (cgraph_asm_nodes): New global variable.
10946 (cgraph_asm_last_node): New static variable.
10947 (cgraph_order): New global variable.
10948 (cgraph_create_node): Set new order field.
10949 (cgraph_varpool_node): Likewise.
10950 (decide_is_variable_needed): Return true if not
10951 flag_toplevel_reorder.
10952 (cgraph_add_asm_node): New function.
10953 * cgraph.h (struct cgraph_node): Add order field.
10954 (struct cgraph_varpool_node): Add order field.
10955 (struct cgraph_asm_node): Define.
10956 (cgraph_asm_nodes, cgraph_order): Declare.
10957 (cgraph_add_asm_node): Declare.
10958 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
10960 (cgraph_varpool_assemble_pending_decls): Call it.
10961 (cgraph_output_pending_asms): New static function.
10962 (cgraph_finalize_compilation_unit): Call it.
10963 (struct cgraph_order_sort): Define.
10964 (cgraph_output_in_order): New static function.
10965 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
10966 !flag_toplevel_reorder case.
10967 * c-parser.c: Include "cgraph.h".
10968 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
10970 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
10971 than -fno-unit-at-a-time.
10972 * doc/invoke.texi (Option Summary): Mention
10973 -fno-toplevel-reorder.
10974 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
10975 -funit-at-a-time documentation.
10977 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
10978 Kazu Hirata <kazu@codesourcery.com>
10980 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
10982 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
10984 * Makefile.in (FUNCTION_H): New. Use it instead of
10985 function.h throughout the file.
10986 * function.h: Include tree.h.
10988 2006-01-17 Ben Elliston <bje@au.ibm.com>
10990 * recog.c: Separate some functions with whitespace.
10992 2006-01-16 Richard Henderson <rth@redhat.com>
10994 Merge from gomp branch:
10995 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
10996 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
10997 and rename from struct inline_data. Rename callee* to dst*;
10998 caller* to src*; add copy_decl hook, transform_call_graph_edges,
10999 transform_new_cfg, transform_return_to_modify, and
11000 transform_lang_insert_block flags; remove cloning_p, versioning_p,
11002 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
11003 (copy_decl_for_dup): Remove.
11004 * tree-inline.c (struct inline_data): Move to header.
11005 (insert_decl_map): Export.
11006 (remap_decl): Update for member name changes. Use copy_decl hook.
11007 Allow for replacement to be a non-decl. Remove dead code.
11008 (remap_type_1): Check for existing mapping.
11009 (remap_type): Export.
11010 (remap_decls): Update for member name changes.
11011 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
11012 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
11013 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
11014 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
11015 (tree_function_versioning, build_duplicate_type): Likewise.
11016 (copy_body_r): Likewise. Export.
11017 (copy_decl_for_dup): Split into ...
11018 (copy_decl_for_dup_finish, copy_decl_to_var,
11019 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
11020 (replace_ref_tree, inlining_p): Remove.
11022 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11024 * ifcvt.c (if_convert): Make it static.
11025 * rtl.h: Remove the prototype for if_convert.
11027 * local-alloc.c (local_alloc): Make it static.
11028 * rtl.h: Remove the prototype for local_alloc.
11030 * loop.c (loop_optimize): Make it static.
11031 * cfgloop.h: Remove the prototype for loop_optimize.
11034 2006-01-16 DJ Delorie <dj@redhat.com>
11036 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
11039 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11041 * pa.md: Disparage copies between general and floating-point registers
11042 in 32-bit move patterns.
11044 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
11047 * Makefile.in (check-%): Depend on site.exp instead of
11048 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
11051 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11053 * global.c (global_alloc): Make it static.
11054 * rtl.h: Remove the prototype for global_alloc.
11056 2006-01-16 Richard Guenther <rguenther@suse.de>
11058 * tree-ssa-alias.c (struct used_part): Add write_only field.
11059 (get_or_create_used_part_for): Initialize it to true.
11060 (create_overlap_variables_for): Don't create structure variables
11061 for structures that only are written to.
11062 (find_used_portions): Handle MODIFY_EXPR to track whether a
11063 structure is only written to.
11065 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11067 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
11069 * basic-block.h: Remove the prototype for
11070 partition_hot_cold_basic_blocks.
11072 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
11074 * cppspec.c (lang_specific_spec_functions): Remove.
11075 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
11076 * gcc.h (lang_specific_spec_functions): Remove.
11077 * gccspec.c (lang_specific_spec_functions): Remove.
11079 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
11081 * combine.c (record_value_for_reg): Invalidate registers
11083 (record_dead_and_set_regs_1): Likewise, by passing them to
11084 record_value_for_reg.
11085 (record_dead_and_set_regs): Invalidate stores made by a
11086 call. We do not combine across a call, but we still
11087 relied on equivalences.
11089 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11091 * tree-vrp.c (extract_range_from_binary_expr): Cope with
11092 vrp_int_const_binop returning non-constant nodes.
11094 2006-01-16 Paul Brook <paul@codesourcery.com>
11096 * config/m68k/m68k.c (output_move_const_into_data_reg):
11097 Output correct mnemonic for mvz and mvs.
11099 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
11101 * rtl-factoring.c: Add sequence abstraction algorithm.
11102 * cfgcleanup.c (outgoing_edges_match): Extra checks.
11103 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
11105 (block_has_preserve_label): New function.
11106 * common.opt: Register new pass.
11107 * Makefile.in: Ditto.
11109 * timevar.def: Ditto.
11110 * tree-pass.h: Ditto.
11111 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
11112 * rtl.h (make_jump_insn_raw): Add forward decl.
11113 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
11115 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11116 Roger Sayle <roger@eyesopen.com>
11118 * fold-const.c (fold_minmax): New static function.
11119 (fold_binary) <MIN_EXPR>: Call it.
11120 <MAX_EXPR>: Likewise.
11121 * stor-layout.c (place_field): Use DECL_SIZE consistently
11122 in the computation of the new record size.
11124 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11126 * cse.c (cse_condition_code_reg): Make it static.
11127 * rtl.h: Remove the prototype for cse_condition_code_reg.
11129 * combine.c (combine_instructions): Make it static.
11130 * rtl.h: Remove the prototype for combine_instructions.
11132 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11135 * tree.c (get_file_function_name_long): Concatenate the first global
11136 object name with a string derived from the input filename of the object
11139 2006-01-16 Ben Elliston <bje@au.ibm.com>
11141 * config/i386/winnt-stubs.c: Update FSF address.
11142 * config/xtensa/ieee754-df.S: Ditto.
11143 * config/xtensa/ieee754-sf.S: Ditto.
11145 2006-01-14 Ian Lance Taylor <ian@airs.com>
11147 * ifcvt.c (noce_init_if_info): New static function, broken out of
11148 noce_process_if_block.
11149 (noce_process_if_block): Call noce_init_if_info.
11150 (check_cond_move_block): New static function.
11151 (cond_move_process_if_block): New static function.
11152 (process_if_block): Call cond_move_process_if_block.
11154 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
11156 * cselib.c (hash_table): Rename to cselib_hash_table.
11157 (cselib_clear_table, discard_useless_values,
11158 remove_useless_values, cselib_lookup_mem, cselib_lookup,
11159 cselib_init, cselib_finish): Adjust uses of hash_table.
11161 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
11163 PR tree-optimization/25485
11164 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
11165 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
11166 is known to be false and true, respectively.
11168 2006-01-14 Richard Guenther <rguenther@suse.de>
11170 PR tree-optimization/22548
11171 PR tree-optimization/22555
11172 PR tree-optimization/22501
11173 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
11174 * params.def (salias-max-array-elements): New parameter.
11175 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
11176 * doc/invoke.texi (salias-max-array-elements): Document.
11177 * tree-flow-inline.h (var_can_have_subvars): We also handle
11179 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
11181 * tree-ssa-structalias.c (params.h): Include.
11182 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
11183 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
11184 (get_constraint_for): For ADDR_EXPR operating on something
11185 containing an ARRAY_REF, add all subvars to the solution.
11186 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
11187 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
11188 for creating MUST_DEFs.
11189 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
11191 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
11193 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
11195 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
11196 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11197 number_of_iterations_le): New functions.
11198 (number_of_iterations_special): Removed.
11199 (number_of_iterations_exit): Do not use number_of_iterations_special.
11200 * tree.c (unsigned_type_for): Always return integer type.
11202 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
11203 Richard Guenther <rguenther@suse.de>
11205 PR rtl-optimization/24257
11206 * gcse.c (find_moveable_store): Only consider a store movable
11207 when the SET_SRC of the insn can be assigned to a register.
11209 2006-01-14 Ian Lance Taylor <ian@airs.com>
11211 * tree.c (tree_not_class_check_failed): New function.
11212 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
11213 (tree_not_class_check_failed): Declare.
11215 2006-01-13 Ian Lance Taylor <ian@airs.com>
11217 * reload1.c (do_output_reload): Add assertion rejecting a
11220 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
11222 * combine.c (struct reg_stat): Add new fields truncation_label and
11224 (record_value_for_reg): Reset truncated_to_mode.
11225 (record_truncated_value): New function.
11226 (check_promoted_subreg): Call it. Rename to check_conversions.
11227 (combine_instructions): Rename check_promoted_subreg to
11229 (reg_truncated_to_mode): New function.
11230 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
11231 (gen_lowpart_or_truncate): New function.
11232 (force_to_mode): Use it instead of gen_lowpart.
11234 2006-01-13 Diego Novillo <dnovillo@redhat.com>
11236 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
11237 VAR is a tag, not its type tag.
11239 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
11241 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
11242 alternatives to match style of other entries.
11243 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
11245 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
11247 PR tree-optimization/25771
11248 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
11251 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
11254 * tree-inline.c (declare_return_variable): If the return variable
11255 was marked as a non gimple complex, set the return slot variable
11256 to be a non gimple comple variable.
11258 2006-01-13 Richard Guenther <rguenther@suse.de>
11260 * builtins.c (expand_builtin_sincos): New function.
11261 (expand_builtin_mathfn_3): Remove dead code, sin and cos
11263 (expand_builtin): Expand sincos using expand_builtin_sincos.
11265 2006-01-12 DJ Delorie <dj@redhat.com>
11267 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
11268 shift counts, separate SI shifts for m32c vs m16c, pass shift type
11269 so that constant shifts can be split.
11270 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
11271 (m32c_valid_pointer_mode): Make static.
11272 (shift_gen_func_for): New.
11273 (m32c_prepare_shift): Use it. Split large const shifts into
11275 * config/m32c/predicates.md (shiftcount_operand): Allow more
11277 (longshiftcount_operand): New.
11278 * doc/md.texi (Machine Constraints): Document In6.
11280 2006-01-13 Ben Elliston <bje@au.ibm.com>
11282 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
11283 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
11286 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
11288 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
11289 to try to avoid clobbering pieces of structures when we know
11290 something about the whole structure.
11291 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
11293 2006-01-13 Ben Elliston <bje@au.ibm.com>
11295 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
11296 return in memory, as this is no limitation is no longer present.
11298 2006-01-12 DJ Delorie <dj@redhat.com>
11300 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
11301 mova with fb, and for fb+0 -> An.
11303 * config/m32c/mov.md (peephole2): Fix enabling logic.
11305 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
11306 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
11307 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
11308 FINI_ARRAY_SECTION_ASM_OP): Define.
11310 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
11312 (m32c_legitimize_reload_address): New logic to reload FB to An.
11313 (m32c_output_reg_push): Add newline.
11314 (m32c_output_reg_pop): Likewise.
11316 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
11318 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
11320 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
11322 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
11324 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11326 * config/sh/predicates.md (sh_rep_vec): Add parallel to
11329 2006-01-11 Ben Elliston <bje@au.ibm.com>
11331 * rtlanal.c (find_reg_note): Assert insn is not null.
11333 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11335 * df-scan.c (df_hard_reg_init): Move declaration of i outside
11338 2006-01-11 Jeff Law <law@redhat.com>
11340 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
11342 (mark_threaded_blocks, register_jump_thread): New functions.
11343 (thread_through_all_blocks): Remove unwanted argument. No
11344 longer rely on e->aux to communicate thread target info.
11345 Call mark_threaded_blocks. Release the threaded_blocks
11346 bitmap and threaded_edges vector when complete.
11347 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
11348 (threaded_blocks): Remove.
11349 (tree_ssa_dominator_optimize): Remove initialization and
11350 finalization of threaded_blocks. Simplify call to
11351 thread_through_all_blocks.
11352 (thread_across_edge): Call register_jump_thread rather than
11353 storing thread information into e->aux.
11354 (free_all_edge_infos): Simplify now that e->aux is no longer
11355 used to communicate with thread_through_all_blocks.
11356 * tree-flow.h (thread_through_all_blocks): Update prototype.
11357 (register_jump_thread): Prototype.
11359 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11361 * df-core.c (df_compact_blocks, df_bb_replace): Use
11362 SET_BASIC_BLOCK instead of BASIC_BLOCK.
11364 2006-01-11 Richard Guenther <rguenther@suse.de>
11366 PR tree-optimization/25734
11367 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
11368 stop propagation after successful propagation to the LHS.
11370 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11372 * basic-block.h (control_flow_graph): Change the type of
11373 x_basic_block_info to VEC(basic_block,gc) *.
11374 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
11376 (SET_BASIC_BLOCK): New.
11377 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
11378 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
11379 * cfgbuild.c (find_basic_blocks): Likewise.
11380 * cfglayout.c (fixup_reorder_chain): Likewise.
11381 * cfgrtl.c (create_basic_block_structure,
11382 rtl_create_basic_block): Likewise.
11383 * ifcvt.c (find_if_case_1): Likewise.
11384 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
11387 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11389 * Makefile.in: Removed rotted odf.c entry.
11391 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
11394 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
11395 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
11396 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
11397 output pattern modifier, not %e.
11398 * config/cris/cris.c (cris_op_str): Update comment about pattern
11400 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
11401 before falling through into...
11402 <case 'E'>: Redefined from old 'e' case.
11404 2006-01-11 Jan Hubicka <jh@suse.cz>
11407 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
11409 2006-01-11 Jan Hubicka <jh@suse.cz>
11411 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
11412 * i386.c (x86_decompose_lea): Kill.
11413 (ix86_rtx_costs): Kill.
11415 2006-01-11 Jan Hubicka <jh@suse.cz>
11417 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
11418 * cgraph.h (cgraph_node): Add inline_decl.
11419 (cgraph_insert_node_to_hashtable): Declare.
11420 (save_inline_function_body): Declare.
11421 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
11423 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
11424 (cgraph_function_versioning): Update call of tree_function_versioning.
11425 (save_inline_function_body): New function.
11426 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
11427 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
11428 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
11429 (cgraph_default_inline_p): Likewise.
11430 (cgraph_decide_inlining_incrementally): Likewise.
11431 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
11432 (copy_bb): Kill saving; do updating of clones.
11433 (copy_cfg_body): Kill saving.
11434 (initialize_inlined-parameters): Likewise.
11435 (expand_call_inline): Likewise.
11437 (tree_function_versioning): New parameter "update_clones".
11438 (inlining_p): Kill saving.
11439 * tree-inline.h (tree_function_versioning): Update prototype.
11440 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
11443 2006-01-11 Ian Lance Taylor <ian@airs.com>
11445 * combine.c (struct undo): Remove is_int. Enumify types of undos.
11446 Allow undoing set of machine mode.
11447 (do_SUBST): Use enums instead of is_int.
11448 (do_SUBST_MODE): New function.
11449 (SUBST_MODE): New macro.
11450 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
11451 reg and trying to replace reg_regno_rtx with a new register.
11452 (undo_all): Use new enums, handle undoing a PUT_MODE change.
11453 (simplify_set): Use SUBST_MODE.
11454 (distribute_notes): Remove code that tried to update reg notes
11455 for regno_reg_rtx changes.
11457 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
11459 PR tree-optimization/23109
11460 PR tree-optimization/23948
11461 PR tree-optimization/24123
11463 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
11464 * tree-cfg.c (single_noncomplex_succ): New.
11465 * tree-flow.h (single_noncomplex_succ): Declare it.
11466 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11467 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11468 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
11469 insert_bb, register_division_in, insert_reciprocals,
11470 replace_reciprocal, free_bb): New.
11471 (execute_cse_reciprocals_1): Rewritten.
11472 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
11473 Do not commit any edge insertion. Always compute dominators and
11474 create the allocation pool.
11475 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
11476 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
11477 * targhooks.c (default_min_divistions_for_recip_mul): New.
11478 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
11479 * passes.c (init_optimization_passes): Run recip after tree loop
11481 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
11483 2006-01-11 Danny Berlin <dberlin@dberlin.org>
11484 Kenneth Zadeck <zadeck@naturalbridge.com>
11486 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
11487 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
11488 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
11489 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
11490 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
11491 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
11492 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
11493 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
11494 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
11495 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
11496 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
11497 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
11498 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
11499 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
11500 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
11501 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
11502 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
11503 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
11504 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
11505 DF_SCAN_POST_ALLOC): New macros.
11506 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
11507 df_free_bb_function, df_local_compute_function, df_init_function,
11508 df_dataflow_function, df_confluence_function_0,
11509 df_confluence_function_n, df_transfer_function,
11510 df_finalizer_function, df_free_function, df_dump_problem_function,
11511 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
11512 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
11513 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
11514 df_urec_bb_info, ) New types.
11515 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
11517 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
11518 df_analyze_simple_change_some_blocks,
11519 df_analyze_simple_change_one_block, df_compact_blocks,
11520 df_bb_replace, df_bb_regno_last_use_find,
11521 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
11522 df_insn_regno_def_p, df_find_def, df_find_use,
11523 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
11524 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
11525 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
11526 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
11527 debug_df_chain, df_get_dependent_problem, df_chain_create,
11528 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
11529 df_grow_bb_info, df_chain_dump, df_print_bb_index,
11530 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
11531 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
11532 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
11533 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
11534 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
11535 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
11536 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
11537 df_ref_remove, df_insn_refs_delete, df_refs_delete,
11538 df_reorganize_refs, df_set_state, df_hard_reg_init,
11539 df_read_modify_subreg_p) New public functions.
11540 * df-core.c: The core dataflow solver and glue routines for rtl
11542 (df_init, df_add_problem, df_set_blocks, df_finish,
11543 df_hybrid_search_forward, df_hybrid_search_backward,
11544 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
11545 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
11546 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
11547 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
11548 df_reg_defined, df_find_use, df_reg_used, df_dump,
11549 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
11550 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
11551 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
11552 debug_df_useno, reset_df_after_reload): New functions.
11553 * df-scan.c: The scanning fuctions, once in df.c, completely
11554 rewritten so that they now fully model the functionality of
11555 register usage at the backend.
11556 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
11557 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
11558 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
11559 df_grow_insn_info, df_rescan_blocks, df_ref_create,
11560 df_get_artificial_defs, df_get_artificial_uses,
11561 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
11562 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
11563 df_refs_delete, df_reorganize_refs, df_set_state,
11564 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
11565 df_def_record_1, df_defs_record, df_uses_record,
11566 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
11567 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
11568 df_record_exit_block_uses, df_hard_reg_init): New functions.
11570 * df-problems.c: Seven concrete dataflow problems that use the
11571 scanning in df-scan.c and are solved by the engine in df-core.c.
11572 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
11573 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
11574 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
11575 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
11576 df_ru_free_bb_info, df_ru_alloc,
11577 df_ru_bb_local_compute_process_def,
11578 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
11579 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
11580 df_ru_transfer_function, df_ru_free, df_ru_dump,
11581 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
11582 df_rd_free_bb_info, df_rd_alloc,
11583 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
11584 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
11585 df_rd_transfer_function, df_rd_free, df_rd_dump,
11586 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
11587 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
11588 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
11589 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
11590 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
11591 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
11592 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
11593 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
11594 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
11595 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
11596 df_urec_mark_reg_change, df_urec_check_earlyclobber,
11597 df_urec_mark_reg_use_for_earlyclobber,
11598 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
11599 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
11600 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
11601 df_urec_dump, df_urec_add_problem, df_chain_alloc,
11602 df_chain_create_bb_process_use, df_chain_create_bb,
11603 df_chain_finalize, df_chain_free, df_chains_dump,
11604 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
11605 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
11606 df_reg_lifetime): New functions.
11607 * df.c: Deleted file.
11608 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
11609 consistent with new df api.
11610 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
11611 rest_of_handle_sms): Ditto.
11612 * web.c (unionfind_union, union_defs, entry_register, web_main):
11614 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
11615 invariant_expr_equal_p, find_defs, check_dependencies,
11616 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
11617 free_inv_motion_data, move_loop_invariants): Ditto.
11618 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
11619 Update dependencies.
11620 (odf.c): Added defective entry that was deleted later in day.
11621 * sched-deps.c (sched_analyze_1): Ditto.
11623 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
11625 * tree-ssa-operands.c (get_expr_operands): Record addressable
11626 variables directly. Do not call add_stmt_operands for CONST_DECLs
11628 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
11629 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
11631 2006-01-11 Ben Elliston <bje@au.ibm.com>
11633 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
11634 function returns true in the positive case.
11636 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11639 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
11640 for SI, DI, SF and DF modes. Add alternatives to copy between
11641 general and floating point registers to the 32-bit patterns.
11642 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
11643 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
11644 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
11645 generating 64-bit code.
11646 * config/pa/pa.c (output_move_double): Handle copies between general
11647 and floating registers.
11649 2006-01-10 Stuart Hastings <stuart@apple.com>
11651 * config/i386/i386.md (set_got): Update.
11652 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
11653 (builtin_setjmp_receiver): Mach-O support.
11654 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
11655 (GOT_SYMBOL_NAME): Define.
11656 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
11657 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
11658 * config/i386/i386.c (override_options): Revise for Darwin.
11659 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
11660 support. (darwin_x86_file_end): New. (output_set_got): Add label
11661 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
11662 * config/i386/i386-protos.h (output_set_got): Likewise.
11663 * config/darwin.c (machopic_legitimize_pic_address): Update
11666 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
11668 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
11669 when MODE isn't BLKmode.
11671 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
11673 PR rtl-optimization/25367
11674 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
11676 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
11679 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
11680 for a negative bound.
11682 2006-01-10 Richard Guenther <rguenther@suse.de>
11684 * tree-ssa-structalias.c (get_constraint_for_component_ref):
11685 Never override with anything constraint.
11687 2006-01-10 Jan Beulich <jbeulich@novell.com>
11689 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
11690 256 bits when optimize_size.
11692 2006-01-10 Jan Beulich <jbeulich@novell.com>
11694 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
11696 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
11697 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
11700 2006-01-10 Ben Elliston <bje@au.ibm.com>
11702 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
11704 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
11705 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
11706 (USE_FP_FOR_ARG): Reject decimal float modes.
11707 (function_arg_advance): Likewise.
11708 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
11709 (rs6000_handle_altivec_attribute): Do not permit decimal floating
11710 point types in AltiVec vectors.
11711 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
11712 (rs6000_libcall_value): Likewise.
11714 2006-01-09 Bob Wilson <bob.wilson@acm.org>
11716 * config/xtensa/ieee754-df.S: New file.
11717 * config/xtensa/ieee754-sf.S: New file.
11718 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
11719 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
11720 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
11722 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
11724 * config/sh/predicates.md (binary_float_operator,
11725 binary_logical_operator, commutative_float_operator,
11726 equality_comparison_operator, greater_comparison_operator,
11727 less_comparison_operator, logical_operator,
11728 noncommutative_float_operator, shift_operator,
11729 symbol_ref_operand, unary_float_operator): Remove redundant
11732 2006-01-09 Jeff Law <law@redhat.com>
11734 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
11735 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
11736 now unused arguments. Callers updated.
11737 (eliminate_redundant_computations): Remove now unused arguments,
11739 (local_fold): Remove, no longer used.
11740 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
11742 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
11743 (simplify_cond): New function.
11744 (forward_propagate_into_cond): Call simplify_cond.
11746 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
11748 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
11749 (*vec_extractv2di_1_sse): New.
11751 2006-01-09 Ben Elliston <bje@au.ibm.com>
11753 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
11755 2006-01-08 Richard Guenther <rguenther@suse.de>
11757 * tree-ssa-structalias.c (get_constraint_for): Remove
11758 anyoffset argument.
11759 (get_constraint_for_component_ref): Likewise.
11760 (do_deref): Likewise.
11761 (get_constraint_for): Likewise.
11762 (do_structure_copy): Likewise.
11763 (handle_ptr_arith): Likewise.
11764 (find_func_aliases): Likewise. Remove unused need_anyoffset
11767 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
11768 Kaz Kojima <kkojima@gcc.gnu.org>
11770 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
11771 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
11772 (EXTRA_CONSTRAINT_C16): Remove.
11773 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
11774 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
11775 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
11776 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
11777 constants of SHmedia. Handle nested constant expressions of
11779 (andcosts): Fix the costs for SHmedia constants.
11780 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
11781 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
11782 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
11783 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
11784 (movv4hi_i, movv2si_i): Likewise.
11785 (movsi_const): Adjust the second operand of ior so to match with
11786 the Csu constraint.
11787 (movdi_const, movdi_const_32bit): Likewise.
11788 (movdi_const_16bit+1): Don't sign-extend LOW.
11789 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
11791 (*double_shori): Fix the split condition. Use GEN_INT instead
11792 of get_int_mode calls. Mask lower 16-bit of the argument of
11794 (sym2GOTPLT): Remove.
11795 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
11797 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
11798 instead of EXTRA_CONSTRAINT_C16.
11800 2006-01-07 Ian Lance Taylor <ian@airs.com>
11801 David Edelsohn <edelsohn@gnu.org>
11803 PR rtl-optimization/25662
11804 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
11805 for constant operands instead of simplify_gen_binary.
11806 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
11807 after trying simplify_binary_operation
11809 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
11811 * tree.c (iterative_hash_expr): Hash decls based on UID.
11813 2006-01-06 Eric Christopher <echristo@apple.com>
11815 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
11816 (TARGET_UNWIND_EMIT): Fix spelling.
11817 * target.h (gcc_target): Add except_table_label.
11818 * except.c (output_function_exception_table): Use.
11819 * varasm.c (default_emit_except_table_label): New.
11820 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
11822 (asm_out): Add here.
11823 * output.h (default_emit_except_table_label): Prototype.
11824 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
11825 * config/darwin.c (darwin_emit_except_table_label): Define.
11826 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
11828 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
11830 PR tree-optimization/18527
11831 * tree-ssa-loop-niter.c (number_of_iterations_cond,
11832 number_of_iterations_special, number_of_iterations_exit):
11833 Move base and step of an iv to a single structure. Add
11834 no_overflow flag, and use it in # of iterations analysis.
11835 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
11836 folded_casts argument.
11837 (simple_iv): Pass base and step in a structure. Set no_overflow
11839 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
11840 Evaluate expensiveness of computing # of iterations instead of
11841 the final expression.
11842 * tree-scalar-evolution.h (affine_iv): New structure.
11843 (simple_iv): Declaration changed.
11844 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
11845 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
11846 find_givs_in_stmt): Changed due to simple_iv change.
11848 2006-01-06 Jeff Law <law@redhat.com>
11851 * tree-cfg.c (bsi_replace): Rename final argument from
11852 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
11853 change (stmt -> orig_stmt).
11854 * tree-eh.c (verify_eh_throw_stmt_node): New function.
11855 (bsi_remove): Add new argument. Remove EH information
11857 (verify_eh_throw_table_statements): New function.
11858 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
11860 * tree-optimize.c (execute_free_cfg_annotations): Verify
11861 the EH throw statement table after removing annotations.
11862 * except.h (verify_eh_throw_table_statements): Prototype.
11863 * tree-flow.h (bsi_remove): Update prototype.
11864 * tree-vrp.c (remove_range_assertions): Add new argument to
11866 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
11867 * tree-complex.c (expand_complex_div_wide): Likewise.
11868 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
11869 * tree-tailcall.c (eliminate_tailcall): Likewise.
11870 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
11871 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
11872 * tree-nrv.c (tree_nrv): Likewise.
11873 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
11874 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
11875 (combine_blocks): Likewise.
11876 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
11877 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
11878 (cleanup_control_flow): Likewise.
11879 (remove_forwarder_block): Likewise.
11880 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
11881 * tree-sra.c (sra_replace): Likewise.
11882 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
11883 (forward_propagate_single_use_vars): Likewise.
11884 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
11885 * tree-inline.c (expand_call_inline): Likewise.
11886 * tree-vect-transform.c (vect_transform_loop): Likewise.
11887 * tree-outof-ssa.c (rewrite_trees): Likewise.
11888 * tree-cfg.c (make_goto_expr_edges): Likewise.
11889 (cleanup_dead_labels): Likewise.
11890 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
11891 (bsi_move_before, bsi_move_after): Likewise.
11892 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
11893 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
11895 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
11898 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
11900 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
11901 on non gimple variables. Also add checks at the top for decls and
11903 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
11905 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
11906 and IMAGPART_EXPR for creating MUST_DEFs.
11907 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
11908 and NAME_MEMORY_TAG separately from the DECLs.
11910 2006-01-06 Richard Guenther <rguenther@suse.de>
11912 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
11913 annotation, if necessary.
11914 * tree-ssa-pre.c (create_expression_by_pieces): Remove
11915 redundant calls to update_stmt.
11916 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
11919 2006-01-05 Richard Henderson <rth@redhat.com>
11921 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
11923 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11925 * c-typeck.c: Update copyright date.
11927 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11929 * c-typeck.c (build_c_cast): Always warn when casting
11930 from a pointer to an integer of different size, even if
11931 the node was constant.
11933 2006-01-05 Richard Guenther <rguenther@suse.de>
11935 PR tree-optimization/22555
11936 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
11937 if one structure field is an array.
11938 * tree-ssa-operands.c (get_expr_operands): Continue scanning
11939 operands even if we found a subvar, but ignore VOPs in this
11941 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
11943 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
11945 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
11947 PR middle-end/24998
11948 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
11950 2006-01-05 Richard Guenther <rguenther@suse.de>
11951 Diego Novillo <dnovillo@redhat.com>
11953 * tree-pass.h (TODO_remove_unused_locals): Define.
11954 * gimple-low.c (expand_var_p, remove_useless_vars,
11955 pass_remove_useless_vars): Remove. Update all users.
11956 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
11957 (remove_unused_locals): New function.
11958 * tree-flow.h (remove_unused_locals): Declare.
11959 * passes.c (execute_todo): Call remove_unused_locals if
11960 TODO_remove_unused_locals is set.
11961 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
11962 * tree-ssa-dce.c (pass_dce): Likewise.
11963 * tree-outof-ssa.c (pass_del_ssa): Likewise.
11965 2006-01-05 Richard Guenther <rguenther@suse.de>
11967 * tree-flow.h (struct fieldoff): Decompose field to
11968 type, size and decl.
11969 * tree-ssa-alias.c (create_sft): Take type as parameter.
11970 (create_overlap_variables_for): Store type, size and decl
11971 in the fieldoff structure.
11972 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
11973 of struct fieldoff.
11974 (push_fields_onto_fieldstack): Likewise.
11975 (create_variable_info_for): Likewise. Use offset for the
11976 SFT name if the decl is not available.
11978 2006-01-04 Paul Brook <paul@codesourcery.com>
11980 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
11982 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
11984 * lambda-code.c (can_put_in_inner_loop): Relax
11986 (can_put_after_inner_loop): New function.
11987 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
11988 (perfect_nestify): Change to make copies and modify uses.
11990 2006-01-04 Richard Henderson <rth@redhat.com>
11992 Merge from gomp branch:
11993 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
11994 via integer constant.
11995 (pragma_lex): Remove.
11996 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
11997 rather than parsing it.
11998 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
11999 handle_pragma_extern_prefix): Add %< %> quotes.
12000 (registered_pragmas): New.
12001 (c_register_pragma_1): New.
12002 (c_register_pragma): Use it.
12003 (c_register_pragma_with_expansion): Likewise.
12004 (c_invoke_pragma_handler): New.
12005 (init_pragma): Use cpp_register_deferred_pragma directly for
12007 * c-pragma.h (enum pragma_kind): New.
12008 (pragma_handler): New.
12009 (c_invoke_pragma_handler): Declare.
12010 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
12012 * c-common.h (c_common_pch_pragma): Update decl.
12013 * Makefile.in (c-parser.o): Update dependencies.
12014 (GTFILES): Add c-pragma.h.
12015 * c-parser.c (struct c_token): Add pragma_kind.
12016 (struct c_parser): Add in_pragma.
12017 (c_lex_one_token): Always initialize keyword and pragma_kind.
12018 Extract data for CPP_PRAGMA.
12019 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
12020 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
12021 Don't allow CPP_PRAGMA_EOL if in_pragma.
12022 (c_parser_consume_pragma): New.
12023 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
12024 (c_parser_skip_to_end_of_parameter): Likewise.
12025 (c_parser_skip_to_end_of_block_or_statement): Likewise.
12026 (c_parser_skip_to_pragma_eol): New.
12027 (c_parser_external_declaration): Handle CPP_PRAGMA.
12028 (c_parser_compound_statement_nostart): Likewise.
12029 (c_parser_statement_after_labels): Likewise.
12030 (c_parser_pragma): New.
12031 (pragma_lex): Likewise.
12032 (c_parser_pragma_pch_preprocess): New.
12033 (c_parser_new): Merge into ...
12034 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
12036 2006-01-04 Jeff Law <law@redhat.com>
12039 * tree-cfg.c (bsi_replace): Remove the original statement
12040 from the EH throw statement table.
12042 2006-01-04 Jakub Jelinek <jakub@redhat.com>
12044 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
12045 make the prototype extern "C" and add throw ().
12048 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
12049 and pos non-negative and pos + len <= 32.
12050 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
12051 drop pos + len < HOST_BITS_PER_WIDE_INT test.
12052 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
12055 * c-common.c (handle_vector_size_attribute): Reject zero vector size
12056 as well as sizes not multiple of component size.
12059 * function.c (instantiate_expr): New function.
12060 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
12061 walk its DECL_VALUE_EXPR with instantiate_expr.
12063 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
12064 DW_OP_deref{,_size} if address isn't going to be added.
12066 2006-01-04 Ben Elliston <bje@au.ibm.com>
12068 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
12069 * config/fp-bit.c: Likewise.
12071 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
12073 * dominance.c: Add comment about why we use DFS numbering
12076 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12077 Richard Henderson <rth@redhat.com>
12079 Merge from gomp-branch:
12080 * varasm.c (assemble_variable): Handle thread-local COMMON data.
12081 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
12083 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
12085 PR rtl-optimization/25578
12086 * combine.c (combine_simplify_rtx, force_to_mode): Don't
12087 pass a parameter to simplify_shift_const if changing ASHIFTRT
12090 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
12092 * builtins.c (get_builtin_sync_mem): New function.
12093 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
12094 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
12095 Call get_builtin_sync_mem to generate mem rtx.
12097 2006-01-03 Richard Guenther <rguenther@suse.de>
12100 * stmt.c (add_case_node): Make sure to clear overflow flags
12103 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12105 Merge from gomp-branch.
12106 * config/sparc/sync.md: New file.
12107 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
12108 UNSPECV_LDSTUB): New constants.
12109 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
12110 * config/sparc/predicates.md (memory_reg_operand): New predicate.
12111 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
12114 2006-01-03 Roger Sayle <roger@eyesopen.com>
12116 * combine.c (reg_subword_p): New predicate to test whether the
12117 destination of a set refers to a subword/piece of a register.
12118 (try_combine): Generalize the code to merge the setting of a
12119 pseudo to a constant followed by a set of a subword of that
12120 register to a constant.
12122 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
12124 * basic-block.h (control_flow_graph): Change the type of
12125 x_label_to_block_map to VEC(basic_block,gc) *.
12126 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
12127 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
12129 * tree-ssa-propagate.c (cfg_blocks): Change the type to
12130 VEC(basic_block,heap) *.
12131 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
12132 ssa_prop_fini): Adjust the uses of cfg_blocks.
12134 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
12136 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
12138 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
12139 hashing trees instead of a pointer hash.
12140 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
12141 compare for MEM_EXPR.
12143 PR rtl-optimization/25130
12144 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
12145 when comparing MEMs for GCSE
12147 2006-01-03 Ben Elliston <bje@au.ibm.com>
12149 * targhooks.h (default_decimal_float_supported_p): Declare.
12150 * targhooks.c (default_decimal_float_supported_p): Define.
12151 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
12152 `default_decimal_float_supported_p'.
12153 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
12155 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
12157 * combine.c (apply_distributive_law <SUBREG>): Check
12158 TRULY_NOOP_TRUNCATION.
12160 2006-01-02 Geoffrey Keating <geoffk@apple.com>
12162 * dwarf2out.c (have_switched_text_section): Delete.
12163 (have_multiple_function_sections): New.
12164 (have_location_lists): Make 'bool'.
12165 (add_AT_loc_list): Use 'true' not '1'.
12166 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
12167 (output_loc_list): Use have_multiple_function_sections.
12168 (output_ranges): Likewise.
12169 (dwarf2out_begin_function): Set have_multiple_function_sections if
12171 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
12172 Check function_section rather than DECL_SECTION_NAME.
12173 (dwarf2out_finish): Use have_multiple_function_sections.
12174 Don't clear have_location_lists.
12176 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
12177 Jan Hubicka <jh@suse.cz>
12179 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
12180 case of conditional jump jumping to the next instruction.
12181 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
12182 cases of conditional jump jumping to the next instruction.
12184 2006-01-02 Jan Hubicka <jh@suse.cz>
12186 * i386.c (*_cost): Add COSTS_N_INSNS.
12187 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
12189 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
12192 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
12194 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12196 * config/arm/arm.c (all_fpus): Fix comment typo.
12197 * config/darwin.c: Likewise.
12198 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
12199 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
12200 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
12202 2006-01-01 David Edelsohn <edelsohn@gnu.org>
12204 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
12205 (rs6000_split_compare_and_swapqhi): New.
12206 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
12207 (sync_compare_and_swapqhi_internal): New.
12208 * config/rs6000/rs6000-protos.h: Declare.
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